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

Genevieve strengthened into a major hurricane in the Pacific Ocean on Sunday and is expected to intensify well southwest of Mexico but stay far out to sea on a course roughly parallel to the coast. — ABC News, 26 July 2026

Athens and Jerusalem have steadily strengthened security ties amid evolving geopolitical challenges in the Eastern Mediterranean. — Prabhat Ranjan Mishra, Interesting Engineering, 25 July 2026

The frame has a lower stepover for shorter riders, and parts of it have been strengthened and extended for bigger, taller riders. — New Atlas, 25 July 2026

Sean said the threats have only strengthened the family’s resolve. — Jackson Thompson Outkick, FOXNews.com, 25 July 2026

Nearly a year into raising Lucy, the content creator lights up when talking about her daughter and the ways parenthood has strengthened her relationship with Bouffard. — Tereza Shkurtaj, PEOPLE, 25 July 2026

City have strengthened their midfield this summer with the £116million ($155m) signing of Elliot Anderson from Nottingham Forest. — David Ornstein, New York Times, 24 July 2026

Over the years, these organizations have not only expanded literacy opportunities across their neighborhoods, but have also learned from one another, strengthened one another’s work, and built a true community of practice. — Read Alliance, Forbes.com, 23 July 2026

Over six weeks of World Cup play, boisterous watch parties strengthened that claim, helping draw more than 900,000 visits downtown. — Ryan MacAsero, Mercury News, 19 July 2026