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

Zelenskyy also informed Trump about how Ukraine's position along the eastern front line has improved and strengthened. —CBS News, 14 June 2026

Recent policy developments have further strengthened California’s position in the emerging fusion sector. —Prabhat Ranjan Mishra, Interesting Engineering, 13 June 2026

As Kate continues her return to the spotlight, royal experts believe her influence within the monarchy has only strengthened in recent years. —Stephanie Giang-Paunon, FOXNews.com, 13 June 2026

Even so, Illinois has stricter state laws regulating coal ash than Indiana — a 2019 state law increased transparency and strengthened cleanup rules. —Christiana Freitag, Chicago Tribune, 13 June 2026

Once the brand foundation is strengthened, growth depends on consistently attracting new people into the business. —Adam Stott, Forbes.com, 12 June 2026

Fillmore strengthened National Infrastructure, and authorized the famous Perry Expedition that opened Trade with Japan. —New York Times, 11 June 2026

Braden says those conversations only strengthened his feelings. —Deirdre Durkan, PEOPLE, 10 June 2026

It is disciplined by accountability and strengthened by competition. —Keith Krach, Fortune, 7 June 2026