Synonyms of weakened

weakened 1 of 2

adjective

1

as in thinned

containing foreign or lower-grade substances

the pharmacist, motivated by pure greed, would pass off the weakened drugs to unsuspecting customers, some of whom had life-threatening illnesses

Synonyms & Similar Words

• thinned
• polluted
• diluted
• dilute
• contaminated
• tainted
• mixed
• blended
• adulterated
• alloyed
• combined
• impure
• corrupted
• compounded
• soiled
• spoiled
• debased
• incorporated
• merged
• dirtied
• unclarified
• fouled
• unfiltered
• begrimed
• defiled
• sullied
• intermingled
• mingled
• intermixed
• adulterate
• commingled
• befouled
• besmirched
• bemired
• unrefined
• maculate
• coalesced
• cheapened
• doctored

Antonyms & Near Antonyms

• pure
• fine
• strong
• uncontaminated
• refined
• undiluted
• unpolluted
• untainted
• purified
• uncut
• concentrated
• unmixed
• unadulterated
• unalloyed
• filtered
• plain
• straight
• neat
• ultrapure
• clarified
• ultrarefined
• uncombined
• sterile
• pasteurized
• clean
• sterilized
• immaculate
• stainless
• unsullied
• spotless
• unsoiled

2

as in weak

lacking bodily strength

left weakened by a prolonged illness

Synonyms & Similar Words

• weak
• feeble
• frail
• disabled
• enfeebled
• debilitated
• softened
• paralyzed
• faint
• exhausted
• injured
• infirm
• vulnerable
• tired
• sapped
• wasted
• soft
• slight
• incapacitated
• wimpy
• low
• enervated
• asthenic
• prostrate
• languid
• fragile
• delicate
• unsubstantial
• prostrated
• down-and-out
• effete
• weary
• tender
• wimpish
• drained
• damaged
• invalid
• powerless
• impaired
• hurt
• unsteady
• impotent
• decrepit
• susceptible
• dizzy
• flimsy
• rocky
• breakable
• woozy
• groggy
• flagging
• broken-down
• unsound
• harmed
• resistless
• yielding
• unresistant
• worn-out

Antonyms & Near Antonyms

• strong
• powerful
• mighty
• rugged
• muscular
• stout
• stalwart
• strengthened
• tough
• athletic
• robust
• hard
• virile
• fit
• sturdy
• beefy
• hardy
• hardened
• sinewy
• brawny
• husky
• fortified
• able-bodied
• lusty
• vigorous
• energetic
• healthy
• capable
• energized
• sound
• competent
• toughened
• strapping
• hale
• invigorated
• inured
• recovering
• vitalized
• red-blooded
• recuperating
• convalescing

3

as in soft

lacking strength of will or character

the nation's people, weakened by years of tyranny, tended to automatically obey anyone with an authoritative manner

Synonyms & Similar Words

• weak
• soft
• corrupt
• frail
• wimpy
• nerveless
• spineless
• meek
• wimpish
• invertebrate
• timid
• wet
• characterless
• weakling
• milk-and-water
• weak-kneed
• effete
• ineffective
• powerless
• wishy-washy
• ineffectual
• limp-wristed
• flabby
• impotent
• flaccid
• emasculated
• unnerved
• forceless
• namby-pamby
• pliable
• unscrupulous
• submissive
• villainous
• craven
• unprincipled
• lamblike
• infirm
• pusillanimous
• cowardly
• dastardly
• irresolute
• impuissant
• fainthearted
• sissy
• vacillating
• nebbishy
• lily-livered
• poltroon

Antonyms & Near Antonyms

• strong
• tough
• hard
• firm
• good
• moral
• right
• virtuous
• righteous
• ethical
• upright
• backboned
• principled
• determined
• unrelenting
• resolute
• courageous
• stalwart
• mettlesome
• stouthearted

4

as in thin

not containing very much of some important element

some experts recommend that runners drink a weakened mixture of juice and water

Synonyms & Similar Words

• thinned
• thin
• diluted
• dilute
• weak
• washy
• watery
• adulterated
• watered-down

Antonyms & Near Antonyms

• strong
• rich
• fortified
• enriched
• concentrated
• full-bodied
• condensed
• evaporated

weakened

2 of 2

verb

past tense of weaken

1

as in softened

to diminish the physical strength of

weeks of hardship in the desert had greatly weakened them

Synonyms & Similar Words

• softened
• exhausted
• tired
• wasted
• injured
• enfeebled
• sapped
• damaged
• debilitated
• hurt
• paralyzed
• crippled
• depleted
• impaired
• enervated
• depressed
• prostrated
• devitalized
• disabled
• etiolated
• incapacitated
• harmed
• impoverished
• hamstrung
• laid up
• washed out
• ground (down)
• invalided
• unmanned
• wore out
• wore down
• broke down

Antonyms & Near Antonyms

• strengthened
• fortified
• recruited
• energized
• hardened
• invigorated
• rejuvenated
• beefed (up)
• vitalized
• seasoned
• toughened

2

as in faded

to lose bodily strength or vigor

the bodybuilder weakened once she eased off on her workouts

Synonyms & Similar Words

• faded
• sagged
• failed
• sank
• deteriorated
• went
• decayed
• lagged
• withered
• wasted (away)
• languished
• emaciated
• drooped
• flagged
• wilted
• degenerated
• rotted
• yielded
• broke down
• ran down
• wore out

Antonyms & Near Antonyms

• recovered
• rallied
• rebounded
• recuperated
• gained
• convalesced

3

as in diluted

to alter (something) for the worse with the addition of foreign or lower-grade substances

weakened the juice with too much water

Synonyms & Similar Words

• diluted
• thinned
• infected
• cut
• poisoned
• loaded
• manipulated
• extended
• sophisticated
• adulterated
• spoiled
• tainted
• degraded
• watered down
• contaminated
• laced
• polluted
• corrupted
• soiled
• tempered
• debased
• attenuated
• misrepresented
• defiled
• sullied
• dirtied
• fouled
• counterfeited
• falsified
• spiked
• qualified
• cheapened
• befouled
• tampered (with)
• moderated
• doctored
• envenomed
• faked
• fudged

Antonyms & Near Antonyms

• strengthened
• enriched
• reinforced
• fortified
• augmented
• supplemented
• fertilized
• improved
• purified
• refined
• richened
• enhanced
• cleaned
• filtered
• flushed
• purged
• distilled
• clarified
• cleansed
• leached
• larded
• pasteurized
• concentrated
• decontaminated
• condensed
• compacted
• bettered

Example Sentences

Recent Examples of weakened

Adjective

The bacteria can cause illnesses that could be fatal for children younger than 5, elderly people or people with weakened or compromised immune systems. — Julia Gomez, USA Today, 24 Aug. 2026

However, Alt was limited to just six games after dealing with multiple ankle injuries, leaving the Chargers' offensive line in a weakened state. — Ryan Canfield Outkick, FOXNews.com, 23 Aug. 2026

While most healthy individuals recover within a week, some infections may result in a serious complication known as hemolytic uremic syndrome (HUS), particularly in young children, older adults, and individuals with weakened immune systems. — Michele Laufik, Martha Stewart, 20 Aug. 2026

Salmonella can also cause serious, and sometimes fatal, infections in young children, elderly people, and others with weakened immune systems. — Jenna Anderson, HEALTH, 18 Aug. 2026

Now, some fear a weakened Voting Rights Act could cause those gains to be reversed, Tamar Hallerman reports. — Adam Beam, AJC.com, 17 Aug. 2026

Children under five, older adults and people with weakened immune systems face the greatest risk of severe illness. — Tatiana Sataua, Fortune, 17 Aug. 2026

Older adults and people with weakened immune systems faced a higher risk of severe illness. — Daniel Lempres, Sacbee.com, 11 Aug. 2026

Anyone can contract necrotizing fasciitis, but the elderly and people with weakened immune systems are most susceptible to severe disease. — Bill Sullivan, The Conversation, 11 Aug. 2026

Verb

The ultimate effect of Fedorov appeal to everyone’s better angels, is that Zelensky is weakened, the questions of his electoral legitimacy amplified, and the call for an end to the war bolstered. — Nick Paton Walsh, CNN Money, 19 Aug. 2026

Positions have hardened, trust has weakened and the room for quiet resolution has narrowed. — Sean Pattwell, Forbes.com, 18 Aug. 2026

Recent global polling suggests that America’s reputation has weakened. — John A. Quelch, Fortune, 18 Aug. 2026

Lala weakened from a hurricane to a tropical storm Sunday after lashing the state without making landfall. — ABC News, 17 Aug. 2026

Mortgage demand has weakened through the multi-year property downturn, while banks, wary of borrowers’ repayment capacity, have grown more reluctant to lend. — Anniek Bao,evelyn Cheng, CNBC, 17 Aug. 2026

Lala, which has since weakened into a tropical storm and is moving away from Hawaii, brought a remarkable two to three feet of rain to parts of the Big Island, where the steep terrain and mountains enhanced precipitation. — Ben Noll, Washington Post, 17 Aug. 2026

Burger’s appointment, therefore, was concerning to criminal defense attorneys and civil rights activists, who feared that the Warren Court’s landmark decisions would be weakened or overturned. — Quinn Yeargain, The Conversation, 11 Aug. 2026

That hasn’t weakened their bond; indeed, Olya even proposed marriage to him, to the surprise and delight of her conservative suburban family, who take it as given that their new in-law is cisgender. — Guy Lodge, Variety, 8 Aug. 2026