Definition of strengthen Strengthen

/stɹɛˈŋθʌn/ - [strengthun] - strength•en

We found 14 definitions of strengthen from 5 different sources.

What does strengthen mean?

WordNet

Verb strengthens, strengthening, strengthened
strengthen - make strong or stronger; "This exercise will strengthen your upper body"; "strengthen the relations between the two countries"
		beef up, fortify
		weaken become weaker; "The prisoner's resistance weakened after seven days"
		modify, alter, change make less severe or harsh or extreme; "please modify this letter to make it more polite"; "he modified his views on same-gender marriage"
		vitalise, vitalize make more lively or vigorous; "The treatment at the spa vitalized the old man"
		ruggedise, ruggedize produce in a version designed to withstand rough usage; "Detroit ruggedized the family car"
		substantiate solidify, firm, or strengthen; "The president's trip will substantiate good relations with the former enemy country"
		restrengthen make strong again
		brace up, undergird make secure underneath; "undergird the ship"
		confirm make more firm; "Confirm thy soul in self-control!"
		reenforce, reinforce make stronger; "he reinforced the concrete"
		buttress make stronger or defensible; "buttress your thesis"
		steady, stabilise, stabilize, brace make steady; "steady yourself"
		batten secure with battens; "batten down a ship's hatches"
		batten down, batten, secure secure with battens; "batten down a ship's hatches"
strengthen - gain strength; "His body strengthened"
		weaken become weaker; "The prisoner's resistance weakened after seven days"
		change undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night"
		consolidate make firm or secure; strengthen; "consolidate one's gains"; "consolidate one's hold on first place"
		proof make resistant (to harm); "proof the materials against shrinking in the dryer"
		back strengthen by providing with a back or backing
		sandbag protect or strengthen with sandbags; stop up; "The residents sandbagged the beach front"
		toughen make tough or tougher; "This experience will toughen her"
strengthen - give a healthy elasticity to; "Let's tone our muscles"
		tone, tone up
		exercise, work out do physical exercise; "She works out in the gym every day"

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Wiktionary

strengthen (Verb)
To make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce.
strengthen (Verb)
To animate; to give moral strength to; to encourage; to fix in resolution; to hearten.
strengthen (Verb)
To augment; to improve; to intensify.
strengthen (Verb)
To grow strong or stronger.

Webster DictionaryWebster's Unabridged Dictionary 📘

strengthen (v. t.)
To make strong or stronger; to add strength to; as, to strengthen a limb, a bridge, an army; to strengthen an obligation; to strengthen authority.
strengthen (v. t.)
To animate; to encourage; to fix in resolution.
strengthen (v. i.)
To grow strong or stronger.