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

Special protection Vaccination is especially important for those 65 years and older, young children, pregnant people, people with chronic medical conditions and those with weakened immune systems. — Annette Regan, The Conversation, 6 Oct. 2026

Leadership turmoil and a weakened state, as seen with the enfeebled late Ming, could well fuse with latent social tensions to produce an existential crisis. — Carl Minzner, Foreign Affairs, 5 Oct. 2026

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

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

Verb

Isaias has weakened dramatically since making landfall last night as a Category 2 hurricane. — Erika Angulo, NBC news, 11 Oct. 2026

Wide swaths of the Southwest were deluged Sunday as the remnants of Tropical Storm Rachel weakened and moved inland, but coastal communities already battered by high surf emerged with less damage than some officials feared. — Fedor Zarkhin, Los Angeles Times, 11 Oct. 2026

Hurricane Isaias made landfall Friday evening near Destin, Florida, and weakened overnight to a post-tropical cyclone. — Taylor Croft, AJC.com, 11 Oct. 2026

Aftershocks More than 100 aftershocks had been recorded since Friday’s earthquake, according to the latest official information, increasing concerns about the stability of buildings already weakened by the initial shaking. — Antonio María Delgado, Miami Herald, 10 Oct. 2026

Another observation the team made was that connections within each brain network weakened, connections between networks strengthened. — Jacek Krywko, ArsTechnica, 10 Oct. 2026

Even as the storm weakened, the center of Isaias’s remnant circulation was located near Montgomery, Alabama, during the predawn hours Saturday. — Matthew Cappucci, Washington Post, 10 Oct. 2026

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