Dictionary.com

strengthen

[ strengk-thuhn, streng-, stren- ]
/ ˈstrɛŋk θən, ˈstrɛŋ-, ˈstrɛn- /
Save This Word!
See synonyms for: strengthen / strengthened / strengthening / strengthener on Thesaurus.com

verb (used with object)
to make stronger; give strength to.
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)
to gain strength; grow stronger.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of strengthen

First recorded in 1250–1300, strengthen is from the Middle English word strengthnen.See strength, -en1

OTHER WORDS FROM strengthen

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use strengthen in a sentence

British Dictionary definitions for strengthen

strengthen
/ (ˈstrɛŋθən) /

verb
to make or become stronger

Derived forms of strengthen

strengthener, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK