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

Aid groups warn more than three-quarters of Gaza’s housing stock is damaged, thousands of buildings are at risk of collapse, and residents grow especially vulnerable when winter rains seep into weakened structures. — Wafaa Shurafa, Los Angeles Times, 20 Sep. 2026

When people use contaminated soap, bacteria can enter the body through cuts and cracks in the skin and lead to infections, especially in people with weakened immune systems. — Jenna Anderson, HEALTH, 16 Sep. 2026

Even children vaccinated for varicella, such as those in the United States since 1995, still have dormant virus in their neurons, since the vaccine uses a live but weakened strain. — Andrew Bubak, The Conversation, 14 Sep. 2026

Listeria monocytogenes can cause listeriosis, a serious infection that can be especially dangerous for older adults, people with weakened immune systems, pregnant individuals and newborns. — Angela Rodriguez, Sacbee.com, 9 Sep. 2026

Infections can be particularly serious among young children, older adults and other people with weakened immune systems, sometimes causing fatal infections. — Chiara Kim, PEOPLE, 9 Sep. 2026

Most people recover within several days, but infections can become serious for young children, older adults and people with weakened immune systems. — Anthony Thompson, USA Today, 28 Aug. 2026

Some people—especially children younger than 5, adults 65 and older, and people with weakened immune systems—may experience more severe illnesses that require medical treatment or hospitalization. — Michele Laufik, Martha Stewart, 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

Verb

Lower-ticket maintenance items have held steadier in sales, which can help to prop up the top line, but the per-store productivity weakened even where top-line sales looked flat, Graff said. — Kevin Williams, CNBC, 3 Oct. 2026

The region’s long investment in coal and steel became a trap once the economic basis for those industries weakened. — Nick Lichtenberg, Fortune, 2 Oct. 2026

The sneaker and athletic apparel company reported a stronger profit for the latest quarter than analysts expected, but its revenue weakened by more than feared. — Stan Choe, Los Angeles Times, 2 Oct. 2026

Lebanon’s Hezbollah was severely weakened by an Israeli invasion into southern Lebanese villages, and the fall of Iran’s ally in Syria, Bashar al-Assad, has forced Iranian groups to concede strategic territory. — Sarah Tamimi, CNN Money, 30 Sep. 2026

The defenses in Sicily were weakened, and the invasion succeeded. — Literary Hub, 30 Sep. 2026

Waves removed material from the bottom while thaw weakened frozen ground above, causing the edge to slump. — Ming Xiao, The Conversation, 29 Sep. 2026

Whichever one remains standing will be wounded and weakened, and the human forces can then finish that monster off. — Owen Gleiberman, Variety, 27 Sep. 2026

During El Nino, low-level surface winds blowing from east to west across the Pacific are weakened or sometimes reversed. — John Raby, Chicago Tribune, 25 Sep. 2026