Strengthen meaning

What does “strengthen” mean? Definitions, examples, synonyms and opposites.

“strengthen” is a verb with 3 meanings. Its most common meaning is: make strong or stronger.

strengthen

verb

  1. make strong or stronger

    “This exercise will strengthen your upper body”

    “strengthen the relations between the two countries”

    Oppositesweaken
  2. gain strength

    “His body strengthened”

    Oppositesweaken
  3. give a healthy elasticity to

    “Let's tone our muscles”

    Synonymstonetone up

Source: WordNet 3.1, Princeton University