Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun upper

3 senses of upper

Sense 1
upper berth, upper -- (the higher of two berths)
       => berth, bunk, built in bed -- (a bed on a ship or train; usually in tiers)

Sense 2
upper -- (piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot; "Uppers come in many styles")
       => piece of leather -- (a separate part consisting of leather)

Sense 3
amphetamine, pep pill, upper, speed -- (a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression)
       => stimulant, stimulant drug, excitant -- (a drug that temporarily quickens some vital process)
       => drug of abuse, street drug -- (a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction)

Antonyms of adj upper

3 senses of upper

Sense 1
upper -- (the topmost one of two)

INDIRECT (VIA side, top) -> bottom -- (situated at the bottom or lowest position; "the bottom drawer")
INDIRECT (VIA top, bottom) -> side -- (located on a side; "side fences"; "the side porch")

Sense 2
upper -- (higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories")

INDIRECT (VIA high) -> low -- (literal meanings; being at or having a relatively small elevation or upward extension; "low ceilings"; "low clouds"; "low hills"; "the sun is low"; "low furniture"; "a low bow")

Sense 3
upper -- (superior in rank or accomplishment; "the upper half of the class")

INDIRECT (VIA superior) -> inferior -- (of or characteristic of low rank or importance)

Similarity of adj upper

3 senses of upper

Sense 1
upper -- (the topmost one of two)
       => top (prenominal) (vs. bottom) (vs. side) -- (situated at the top or highest position; "the top shelf")

Sense 2
upper -- (higher in place or position; "the upper bunk"; "in the upper center of the picture"; "the upper stories")
       => high (vs. low) -- ((literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high'); "a high mountain"; "high ceilings"; "high buildings"; "a high forehead"; "a high incline"; "a foot high")

Sense 3
upper -- (superior in rank or accomplishment; "the upper half of the class")
       => superior (vs. inferior) -- (of or characteristic of high rank or importance; "a superior ruler")