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

These same advantages have strengthened Washington’s ability to shape global legal norms. — Mark Jia, Foreign Affairs, 7 Aug. 2026

In 2023, Anduril expanded into rocket propulsion with the acquisition of Adranos and strengthened its aircraft capabilities by acquiring Blue Force Technologies, whose designs became the basis for the Fury autonomous fighter aircraft. — Encyclopedia Britannica, 7 Aug. 2026

After this experience, China strengthened its public health capacity and professed a new openness to reporting of potential epidemics. — David J. Hunter, STAT, 7 Aug. 2026

Residents explained that support offered by the company was little to no use amid heavy smoke and ash during the fire emergency, and strong putrid odors of rotting food that were only strengthened by rising temperatures. — City News Service, Daily News, 6 Aug. 2026

And like other skills, emotional regulation can be strengthened with instruction and practice. — Jessica Griffin, The Conversation, 6 Aug. 2026

Suno has also strengthened prohibitions against this kind of misuse in an update to its usage policy. — Ryan Whitwam, ArsTechnica, 6 Aug. 2026

In March of 1985, Mayor Harold Washington signed an executive order that strengthened Chicago’s status as a sanctuary city. — Madeline Buckley, Chicago Tribune, 6 Aug. 2026

AEye has strengthened its position after its Apollo lidar sensor earned validation for NVIDIA’s DRIVE AGX Thor, allowing automakers building on the platform to integrate the sensor without first completing basic compatibility testing. — Aamir Khollam, Interesting Engineering, 5 Aug. 2026