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
• meek
• wimpy
• nerveless
• timid
• spineless
• wimpish
• invertebrate
• 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
• craven
• villainous
• 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 bacterium can also lead to hemolytic uremic syndrome (HUS), a serious complication that is more common in young children, older adults and people with weakened immune systems, according to the release. — Chiara Kim, PEOPLE, 6 July 2026

While anyone can get sick, young children, older adults, pregnant women and people with weakened immune systems are more likely to become seriously ill. — Tiffani Jackson, Fort Worth Star-Telegram, 3 July 2026

What to look for Salmonella is a foodborne illness that can be fatal to young children, pregnant women, older adults and people with weakened immune systems, according to the National Institutes of Health. — Summer Lin, Los Angeles Times, 2 July 2026

However, people with weakened immune systems or certain underlying health conditions may be more susceptible to infection. — Anthony Thompson, USA Today, 2 July 2026

Fewer than 1% develop a serious neurological illness that can affect the brain or spinal cord, with older adults and people with weakened immune systems facing the greatest risk. — Brittany Miller, FOXNews.com, 1 July 2026

Children, elderly people and those with weakened immune systems are at greatest risk of experiencing health problems. — Neal Riley, CBS News, 30 June 2026

And while Creger still thought the bill was positive, she was disappointed to see the weakened language around adding lanes to highways. — Ariane Lange, Sacbee.com, 25 June 2026

The weakened plants are more susceptible to insects and disease pests. — Kim Toscano, Southern Living, 25 June 2026

Verb

All three, the panel noted, have weakened or dropped earlier pledges to halt development on their own if certain red lines came into view, and in recent years softened their resistance to military uses. — Harry Booth, Time, 7 July 2026

It is weakened by surprises, side channels, performative challenge and unclear authority. — David Ribott, Forbes.com, 7 July 2026

According to the city's agency, the most at risk include people 50 and over, smokers, those with chronic lung disease or people who have weakened immune systems. — Amethyst Martinez, USA Today, 6 July 2026

The flow of dark traffic is one of the factors that helped explain why oil markets had weakened significantly by early June, together with a surge in exports from the US and pullback in buying by China. — Weilun Soon, Fortune, 5 July 2026

With air defenses weakened, Ukraine then went after supply lines. — Marc Santora, New York Times, 4 July 2026

Treasury yields have climbed since the Iran war began, the yen has weakened to multi-decade lows against the dollar, and gold has fallen sharply from its January peak. — Lim Hui Jie,lee Ying Shan, CNBC, 3 July 2026

Internal fractures, economic decline and public frustration have weakened the movement and opened a new chapter of uncertainty. — Armando Regil Velasco, FOXNews.com, 30 June 2026

America dramatically weakened one of the world’s most dangerous and unpredictable regimes and secured a decisive victory. — Shaun McCutcheon, The Orlando Sentinel, 29 June 2026