Synonyms of strengthened

strengthened 1 of 2

adjective

as in sturdy

Related Words

• sturdy
• toughened
• tough
• robust
• energized
• virile
• vigorous
• invigorated
• vitalized
• inured
• energetic
• hard
• beefy
• lusty
• powerful
• healthy
• burly
• sound
• husky
• athletic
• trim
• fit
• mighty
• hale
• strapping
• strong
• red-blooded
• hearty
• forcible
• masculine
• potent
• forceful
• muscular
• able-bodied
• stalwart
• sinewy
• stout
• brawny
• rugged
• puissant

Dissimilar Words

• weak
• feeble
• delicate
• disabled
• frail
• paralyzed
• incapacitated
• wimpy
• powerless
• impotent
• weakling
• small
• slight
• unfit
• unhealthy
• puny
• unathletic

strengthened

2 of 2

verb

past tense of strengthen

1

as in hardened

to increase the ability of (as a muscle) to exert physical force

lifting weights every day will eventually strengthen your muscles

the army makes new recruits run for miles in order to strengthen them

Synonyms & Similar Words

• hardened
• fortified
• tempered
• toughened
• energized
• beefed (up)
• annealed
• invigorated
• vitalized
• firmed (up)
• toned (up)
• restrengthened

Antonyms & Near Antonyms

• weakened
• crippled
• impaired
• damaged
• hurt
• injured
• paralyzed
• incapacitated
• harmed
• enfeebled
• debilitated
• undermined
• enervated
• broke down
• undercut
• sapped
• wore out

2

as in fortified

to make able to withstand physical hardship, strain, or exposure

required weeks of physical therapy to strengthen his arm enough to pitch for the team again

Synonyms & Similar Words

• hardened
• fortified
• adjusted
• reinforced
• bolstered
• toughened
• braced
• adapted
• inured
• steeled
• indurated
• supported
• boosted
• seasoned
• tempered
• enforced
• invigorated
• annealed
• acclimated
• buttressed
• accustomed
• immunized
• vitalized
• acclimatized
• trained
• conditioned
• propped (up)
• broke in
• habituated
• naturalized
• forearmed
• limbered (up)

Antonyms & Near Antonyms

• softened
• weakened
• exhausted
• sapped
• crippled
• enfeebled
• incapacitated
• sensitized
• emasculated
• enervated
• debilitated
• hamstrung

3

as in intensified

to make markedly greater in measure or degree

encouraged the boarding school students to strengthen their ties with the community by doing public service

Synonyms & Similar Words

• intensified
• deepened
• enhanced
• heightened
• reinforced
• consolidated
• broadened
• boosted
• expanded
• sharpened
• redoubled
• accentuated
• amplified
• stepped up
• magnified
• emphasized
• augmented
• lengthened
• extended
• enforced
• accelerated
• beefed (up)
• enlarged
• supplemented
• amped (up)
• maximized
• quickened
• hastened
• stressed
• enlivened
• pointed (up)
• exacerbated
• aggravated
• restrengthened
• jazzed (up)

Antonyms & Near Antonyms

• decreased
• reduced
• weakened
• diminished
• moderated
• abated
• lessened
• subdued
• subsided
• waned
• receded
• dwindled
• tapered (off)
• alleviated
• eased
• lightened
• toned (down)
• let up (on)

4

as in braced

to prepare (oneself) mentally or emotionally

strengthened herself for the moment she'd have to tell her friend that she had lost the borrowed necklace

Synonyms & Similar Words

• fortified
• braced
• readied
• poised
• reinforced
• steeled
• bolstered
• nerved
• armed
• enforced
• forearmed
• psyched (up)
• sustained
• hardened
• toughened
• comforted
• buttressed
• emboldened
• encouraged
• inspired
• inured
• supported
• boosted
• stirred
• buoyed (up)
• rallied
• propped (up)
• heartened
• roused
• cheered (up)
• seasoned

Antonyms & Near Antonyms

• shook
• discouraged
• daunted
• disheartened
• weakened
• demoralized
• undermined
• unnerved
• softened
• tired
• undercut
• sapped
• enfeebled
• dispirited
• debilitated
• psyched (out)
• prostrated
• enervated

5

as in stiffened

to make more harsh, uncompromising, or severe

a bill was introduced to strengthen punishments for hate crimes

Synonyms & Similar Words

• stiffened
• toughened
• hardened
• harshened

Antonyms & Near Antonyms

• eased
• lessened
• softened
• ameliorated
• moderated

Example Sentences

Recent Examples of strengthened

Adjective

The goal was not a finished piece of writing but a strengthened mind. — Dan Rockmore, New Yorker, 19 Sep. 2026

The foundations were welded and bolted to the strengthened deck, and the rotors themselves, fabricated with inner steel cores and composite shells, were then lifted by crane. — Srishti Gupta, Interesting Engineering, 21 Apr. 2026

Arreola, who knew Jackson for more than 20 years, says his lasting legacy will live on in the young leaders shaped through Rainbow/PUSH and in the strengthened relationship between Latino and Black communities in Chicago. — Rebecca Johnson, Chicago Tribune, 17 Feb. 2026

Verb

Heidi Levine, the Washington Post journalist brutally attacked by Israeli settlers in the occupied West Bank last week, said the terrifying ordeal has only strengthened her resolve to continue covering the plight of Palestinians. — Jessie Yeung, CNN Money, 23 Oct. 2026

The past several months have strengthened our belief in what EA can become. — Todd Spangler, Variety, 21 Oct. 2026

But sitting among my peers, listening to their writings, I was strengthened. — Paula Grieve, Washington Post, 21 Oct. 2026

Dramatic mermaid skirts, bubble tiers, and layers strengthened with horsehair and crinoline are all trending in the year ahead. — Shelby Wax, Vogue, 20 Oct. 2026

SpaceX’s financial performance has also strengthened its position. — Aamir Khollam, Interesting Engineering, 20 Oct. 2026

Perhaps more important, identification with players strengthened the relationship between viewing motivation and those intentions. — Rick Burton, Sportico.com, 19 Oct. 2026

Additionally, Anthropic strengthened restrictions on tools that allow Claude to retrieve information from websites. — Kurt Knutsson, FOXNews.com, 19 Oct. 2026

Her creative expression extended beyond the runway into cultural moments that further strengthened the brand’s presence in fashion. — Samantha Conti, Footwear News, 16 Oct. 2026