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Showing results for weaken.
Definitions

weaken

[wee-kuhn] / ˈwi kən /
VERB
reduce the strength of
Synonyms
STRONGEST
abate decline decrease depress dilute diminish dwindle halt impair lessen lower reduce sap soften undermine wane
STRONG
adulterate crumble cut debase debilitate devitalize droop enervate exhaust fade fail faint flag impoverish invalidate languish limp lose minimize mitigate moderate relapse relax temper thin tire totter tremble vitiate wilt
WEAK
break up ease up give way lose spirit slow down thin out water down
Antonyms
STRONGEST
aid assist compliment develop encourage enlarge expand extend grow help increase praise prolong raise rise strengthen
STRONG
achieve activate aggravate agitate animate clean energize enhance excite free improve incite invigorate purify refresh succeed win
WEAK
build up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If shipping through the strait is constrained for another two months, global growth would weaken and only return to its previous trend by the end of 2028, according to UBS.

From The Wall Street Journal • Apr. 13, 2026

As these weaken and stiffen over time it can affect walking, talking, eating and breathing.

From BBC • Apr. 10, 2026

The amendment has outraged environmentalists, who say it will weaken protections for crucial water sources.

From Barron's • Apr. 8, 2026

It can also weaken statistical results and fails to reveal how languages change over time.

From Science Daily • Apr. 5, 2026

As May’s grandmother—Eudora—moved to climb the stairs, Jack couldn’t help noticing how her time in the dungeon had seemed to weaken her.

From "Half Upon a Time" by James Riley