Dictionary
strengthen
verb strength·en \ˈstreŋ(k)-thən, ˈstren(t)-\
: to make (someone or something) stronger, more forceful, more effective, etc.
: to become stronger, more forceful, more effective, etc.
of money : to increase in value when compared to money from other countries
strength·enedstrength·en·ing \ˈstreŋ(k)th-niŋ, ˈstren(t)th-; ˈstreŋ(k)-thə-, ˈstren(t)-\
Full Definition of STRENGTHEN
transitive verb
: to make stronger
intransitive verb
: to become stronger
— strength·en·er \ˈstreŋ(k)th-nər, ˈstren(t)th-; ˈstreŋ(k)-thə-, ˈstren(t)-\ noun
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First Known Use of STRENGTHEN
15th century
STRENGTHEN Defined for Kids
strengthen
verb strength·en \ˈstreŋ-thən\
strength·enedstrength·en·ing
Definition of STRENGTHEN for Kids
: to make, grow, or become stronger or more powerful <Exercises will strengthen your muscles.>
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