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 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

Nashville strengthened its push for the Supporters’ Shield and extended its lead to 5 points over Inter Miami on a night Lionel Messi again failed to convert a penalty. — Dean Jones, New York Times, 16 Aug. 2026

California in 2015 enacted a law that strengthened vaccine requirements for schoolchildren. — Los Angeles Times, 15 Aug. 2026

The exchange rate initially strengthened to about 157 yen per dollar from nearly 164, but has since given back some gains and hovered around 159 on Friday. — Jason Ma, Fortune, 15 Aug. 2026

CoreWeave's results this week strengthened that argument, with CEO Mike Intrator explaining that older Nvidia GPUs are remaining useful longer than some investors expected. — Alexa Lomonaco, CNBC, 15 Aug. 2026

The first-place Sox (64-58) strengthened their lead in the American League Central by winning their second straight in the series. — Lamond Pope, Chicago Tribune, 15 Aug. 2026

However, the notion of the emperor’s divine origins strengthened during the Meiji era, when the concept of State Shinto arose. — ABC News, 14 Aug. 2026

Under Murphy’s guidance, Epicor strengthened its SaaS leadership, accelerated its cloud transition, expanded capabilities and surpassed $1 billion in annual recurring revenue. — Alexandra Harrell, Footwear News, 14 Aug. 2026

In less than four years, Moore has helped jumpstart Maryland’s economy, driven down violent crime, strengthened public schools and put more money in the pockets of working families. — Derrick Whiting, Baltimore Sun, 13 Aug. 2026