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strengthen Syllabification: strength·en
Pronunciation: /ˈstreNG(k)THən/

Definition of strengthen in English:


Make or become stronger: [with object]: he advises an application of fluoride to strengthen the teeth [no object]: the wind won’t strengthen until after dark
More example sentences
  • It spreads and strengthens and multiplies until it smothers anything trying to stifle it.
  • Nicotine is the substance that reinforces and strengthens the desire to smoke.
  • It strengthens muscles and increases endurance, which is very important during labour.
fortify, make strong/stronger, build up, give strength to
reinforce, make stronger, buttress, shore up, underpin
become strong/stronger, gain strength, intensify, pick up
fortify, bolster, make stronger, boost, reinforce, harden, stiffen, toughen, fuel
redouble, step up, increase, escalate
informal up, crank up, beef up
reinforce, lend more weight to;


strengthen someone's hand (or hands)
Enable or encourage a person to act more vigorously or effectively.
Example sentences
  • In the short run the coup had the effect of strengthening his hand.
  • That strengthens Pakistan's hand in its dealings with India.
  • The float also strengthens its hand and will bring capital into the business that will be used to reduce debt.


Example sentences
  • Mr Proudfoot will use poultices to remove encrusted dust and grime before treating the stone with chemical strengtheners to prevent cracking and erosion.
  • Calcium and vitamin D are good general bone strengtheners.
  • Dips target your lower pectorals, triceps, and shoulders - they are an ideal upper-body strengthener.

Words that rhyme with strengthen

Definition of strengthen in:
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