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.

strengthen

/ ˈstrɛŋθən /

verb

1. to make or become stronger

Other Word Forms

• strengthener noun
• strengtheningly adverb
• overstrengthen verb
• prestrengthen verb (used with object)
• restrengthen verb
• unstrengthened adjective
• unstrengthening adjective

Word History and Origins

Origin of strengthen¹

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

Example Sentences

The Compact also will facilitate California’s firefighters gaining experience with fire suppression efforts in other member regions, which “strengthens readiness at home,” officials said.

From Los Angeles Times

To compete, the Rockies are going to have to strengthen their farm system and loosen their wallet.

From Los Angeles Times

As you know we acted in accordance with the strengthened system relating to ministerial conduct that we put in place on coming into Government.

From BBC

Cognitive science shows that mnemonics help memory, distinctive voice draws attention and a sense of joy strengthens retention.

From Salon

The prime minister said he had strengthened the ministerial code and the role of the adviser since taking office.

From BBC

Related Words

• bolster 
• build up 
• enhance 
• enlarge 
• establish 
• extend 
• heighten 
• increase 
• intensify 
• invigorate 
• reinforce 
• restore 
• set up 
• step up 
• support 
• sustain 
• toughen