View synonyms for strengthen


[ strengk-thuhn, streng-, stren- ]

verb (used with object)

  1. to make stronger; give strength to.

    Synonyms: support, fortify, reinforce, buttress

  2. Phonetics. to change (a speech sound) to an articulation requiring more effort, as from fricative to stop or nongeminate to geminate.

verb (used without object)

  1. to gain strength; grow stronger.


/ ˈstrɛŋθən /


  1. to make or become stronger

Discover More

Derived Forms

  • ˈstrengthener, noun

Discover More

Other Words From

  • strengthen·er noun
  • strengthen·ing·ly adverb
  • over·strengthen verb
  • pre·strengthen verb (used with object)
  • re·strengthen verb
  • un·strengthened adjective
  • un·strengthen·ing adjective

Discover More

Word History and Origins

Origin of strengthen1

First recorded in 1250–1300, strengthen is from the Middle English word strengthnen. See strength, -en 1

Discover More

Example Sentences

This distrust in the government can ultimately strengthen Boko Haram.

“Liberia is still working very hard to strengthen their health-care system,” says McDaniel.

Fans of the drink believe that it can boost qi, improve circulation, cure arthritis, and strengthen the body in general.

They have long since been touted as medicinal fungi, boasting the ability to strengthen the immune system and lower cholesterol.

We are all they have, and if we give up hope, we will only strengthen the monsters that did this.

But it was necessary to take Silan, which the rebels hastened to strengthen, closely followed up by the Spaniards.

The general commanded a halt, and ordered the men to refresh and strengthen themselves by food and drink.

Strengthen yourselves, stay not: for I bring evil from the north, and great destruction.

Such a course will immensely strengthen the hands of the Queen's Government.

To strengthen the bonds so loosely yet so finely drawn must henceforth be the constant duty of the Statesmen of the Empire.