Antonyms of verb strengthen
2 of 3 senses of strengthen
Sense 1
strengthen, beef up, fortify -- (make strong or stronger; "This exercise will strengthen your upper body"; "strengthen the relations between the two countries")
Antonym of weaken (Sense 1)
=> weaken -- (lessen the strength of; "The fever weakened his body")
Sense 2
strengthen -- (gain strength; "His body strengthened")
Antonym of weaken (Sense 2)
=> weaken -- (become weaker; "The prisoner's resistance weakened after seven days")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb strengthen
3 senses of strengthen
Sense 1
strengthen, beef up, fortify -- (make strong or stronger; "This exercise will strengthen your upper body"; "strengthen the relations between the two countries")
=> change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")
Sense 2
strengthen -- (gain strength; "His body strengthened")
=> change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")
Sense 3
tone, tone up, strengthen -- (give a healthy elasticity to; "Let's tone our muscles")
=> exercise, work out -- (do physical exercise; "She works out in the gym every day")
Antonyms of adj strengthened
1 sense of strengthened
Sense 1
reinforced, strengthened -- (given added strength or support; "reinforced concrete contains steel bars or metal netting")
INDIRECT (VIA strong) -> weak -- (wanting in physical strength; "a weak pillar")
Similarity of adj strengthened
1 sense of strengthened
Sense 1
reinforced, strengthened -- (given added strength or support; "reinforced concrete contains steel bars or metal netting")
=> strong (vs. weak) -- (having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man")
