Antonyms of adj weak

12 senses of weak

Sense 1
weak (vs. strong) -- (wanting in physical strength; "a weak pillar")

strong (vs. weak) -- (having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man")
        => beardown (prenominal) -- (with full strength; "his beardown performance in the exhibition game")
        => beefed-up -- (made greater or stronger; "beefed-up sales efforts")
        => brawny, hefty, muscular, powerful, sinewy -- ((of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms")
        => bullnecked -- (having a thick short powerful neck)
        => bullocky -- (resembling a bullock in strength and power; "thick bullocky shoulders")
        => fortified -- (having something added to increase the strength; "fortified wine")
        => hard, knockout, severe -- (very strong or vigorous; "strong winds"; "a hard left to the chin"; "a knockout punch"; "a severe blow")
        => industrial-strength, weapons-grade -- (extremely strong or concentrated or durable; "industrial-strength detergent"; "weapons-grade salsa")
        => ironlike -- (exhibiting strength or hardness like that of iron; "ironlike determination"; "ironlike nerves"; "ironlike discipline of the Marines")
        => knock-down (prenominal), powerful -- (strong enough to knock down or overwhelm; "a knock-down blow")
        => noticeable -- (readily noticed; "a noticeable resemblance")
        => reinforced, strengthened -- (given added strength or support; "reinforced concrete contains steel bars or metal netting")
        => robust -- (strong enough to withstand or overcome intellectual challenges or adversity; "the experiment yielded robust results"; "a robust faith")
        => stiff -- (powerful; "a stiff current"; "a stiff breeze")
        => vehement -- (characterized by great force or energy; "vehement deluges of rain"; "vehement clapping"; "a vehement defense")
        => virile -- (characterized by energy and vigor; "a virile and ever stronger free society"; "a new and virile leadership")
        => well-knit, well-set -- (strongly and firmly constructed; "a well-knit argument"; "a well-knit theatrical production"; "well-knit athletes"; "a sailor short but well-set"- Alexander Hamilton)

Sense 2
watery, washy, weak -- (overly diluted; thin and insipid; "washy coffee"; "watery milk"; "weak tea")

INDIRECT (VIA diluted) -> undiluted -- (not diluted; "undiluted milk"; "an undiluted racial strain")

Sense 3
unaccented, light, weak -- ((used of vowels or syllables) pronounced with little or no stress; "a syllable that ends in a short vowel is a light syllable"; "a weak stress on the second syllable")

INDIRECT (VIA unstressed) -> stressed, accented -- (bearing a stress or accent; "an iambic foot consists of an unstressed syllable followed by a stressed syllable as in `delay'")

Sense 4
fallible, frail, imperfect, weak -- (wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings; "I'm only a fallible human"; "frail humanity")

INDIRECT (VIA human) -> nonhuman -- (not human; not belonging to or produced by or appropriate to human beings; "nonhuman primates such as chimpanzees")

Sense 5
weak -- (tending downward in price; "a weak market for oil stocks")

INDIRECT (VIA down) -> up -- (being or moving higher in position or greater in some value; being above a former position or level; "the anchor is up"; "the sun is up"; "he lay face up"; "he is up by a pawn"; "the market is up"; "the corn is up")

Sense 6
weak -- (deficient or lacking in some skill; "he's weak in spelling")

INDIRECT (VIA unskilled) -> skilled -- (having or showing or requiring special skill; "only the most skilled gymnasts make an Olympic team"; "a skilled surgeon has many years of training and experience"; "a skilled reconstruction of her damaged elbow"; "a skilled trade")

Sense 7
decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly -- (lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless")

INDIRECT (VIA frail) -> robust -- (sturdy and strong in form, constitution, or construction; "a robust body"; "a robust perennial")

Sense 8
weak -- ((used of verbs) having standard (or regular) inflection)

INDIRECT (VIA regular) -> irregular -- (contrary to rule or accepted order or general practice; "irregular hiring practices")

Sense 9
weak -- (not having authority, political strength, or governing power; "a weak president")

INDIRECT (VIA powerless) -> powerful -- (having great power or force or potency or effect; "the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument")

Sense 10
faint, weak -- (deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc; "a faint outline"; "the wan sun cast faint shadows"; "the faint light of a distant candle"; "weak colors"; "a faint hissing sound"; "a faint aroma"; "a weak pulse")

INDIRECT (VIA perceptible) -> imperceptible, unperceivable -- (impossible or difficult to perceive by the mind or senses; "an imperceptible drop in temperature"; "an imperceptible nod"; "color is unperceivable to the touch")

Sense 11
weak -- (likely to fail under stress or pressure; "the weak link in the chain")

INDIRECT (VIA fallible) -> infallible -- (incapable of failure or error; "an infallible antidote"; "an infallible memory"; "the Catholic Church considers the Pope infallible"; "no doctor is infallible")

Sense 12
weak -- (deficient in intelligence or mental power; "a weak mind")

INDIRECT (VIA stupid) -> smart -- (showing mental alertness and calculation and resourcefulness)

Similarity of adj weak

12 senses of weak

Sense 1
weak (vs. strong) -- (wanting in physical strength; "a weak pillar")
       => anemic, anaemic -- (lacking vigor or energy; "an anemic attempt to hit the baseball")
       => adynamic, asthenic, debilitated, enervated -- (lacking strength or vigor)
       => faint, feeble -- (lacking strength or vigor; "damning with faint praise"; "faint resistance"; "feeble efforts"; "a feeble voice")
       => feeble, lame -- (pathetically lacking in force or effectiveness; "a feeble excuse"; "a lame argument")
       => flimsy -- (lacking solidity or strength; "a flimsy table"; "flimsy construction")
       => jerry-built, shoddy -- (of inferior workmanship and materials; "mean little jerry-built houses")
       => namby-pamby, gutless, spineless, wishy-washy -- (weak in willpower, courage or vitality)
       => pale, pallid, wan, sick -- ((of light) lacking in intensity or brightness; dim or feeble; "the pale light of a half moon"; "a pale sun"; "the late afternoon light coming through the el tracks fell in pale oblongs on the street"; "a pallid sky"; "the pale (or wan) stars"; "the wan light of dawn")
       => puny -- (inferior in strength or significance; "a puny physique"; "puny excuses")
       => vulnerable -- (capable of being wounded or hurt; "vulnerable parts of the body")
       => weakened -- (made weak or weaker)
          Also See-> delicate#1; tender#6, untoughened#1; powerless#1

Sense 2
watery, washy, weak -- (overly diluted; thin and insipid; "washy coffee"; "watery milk"; "weak tea")
       => diluted (vs. undiluted), dilute -- (reduced in strength or concentration or quality or purity; "diluted alcohol"; "a dilute solution"; "dilute acetic acid")

Sense 3
unaccented, light, weak -- ((used of vowels or syllables) pronounced with little or no stress; "a syllable that ends in a short vowel is a light syllable"; "a weak stress on the second syllable")
       => unstressed (vs. stressed) -- (not bearing a stress or accent; "short vowels are unstressed")

Sense 4
fallible, frail, imperfect, weak -- (wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings; "I'm only a fallible human"; "frail humanity")
       => human (vs. nonhuman) -- (having human form or attributes as opposed to those of animals or divine beings; "human beings"; "the human body"; "human kindness"; "human frailty")

Sense 5
weak -- (tending downward in price; "a weak market for oil stocks")
       => down (vs. up) -- (being or moving lower in position or less in some value; "lay face down"; "the moon is down"; "our team is down by a run"; "down by a pawn"; "the stock market is down today")

Sense 6
weak -- (deficient or lacking in some skill; "he's weak in spelling")
       => unskilled (vs. skilled) -- (not having or showing or requiring special skill or proficiency; "unskilled in the art of rhetoric"; "an enthusiastic but unskillful mountain climber"; "unskilled labor"; "workers in unskilled occupations are finding fewer and fewer job opportunities"; "unskilled workmanship")

Sense 7
decrepit, debile, feeble, infirm, rickety, sapless, weak, weakly -- (lacking bodily or muscular strength or vitality; "a feeble old woman"; "her body looked sapless")
       => frail (vs. robust) -- (physically weak; "an invalid's frail body")

Sense 8
weak -- ((used of verbs) having standard (or regular) inflection)
       => regular (vs. irregular) -- (in accordance with fixed order or procedure or principle; "his regular calls on his customers"; "regular meals"; "regular duties")

Sense 9
weak -- (not having authority, political strength, or governing power; "a weak president")
       => powerless (vs. powerful) -- (lacking power)

Sense 10
faint, weak -- (deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc; "a faint outline"; "the wan sun cast faint shadows"; "the faint light of a distant candle"; "weak colors"; "a faint hissing sound"; "a faint aroma"; "a weak pulse")
       => perceptible (vs. imperceptible) -- (capable of being perceived by the mind or senses; "a perceptible limp"; "easily perceptible sounds"; "perceptible changes in behavior")

Sense 11
weak -- (likely to fail under stress or pressure; "the weak link in the chain")
       => fallible (vs. infallible) -- (likely to fail or make errors; "everyone is fallible to some degree")

Sense 12
weak -- (deficient in intelligence or mental power; "a weak mind")
       => stupid (vs. smart) -- (lacking or marked by lack of intellectual acuity)