Synonyms of deepen

deepen

verb

ˈdē-pən 

as in to intensify

to make markedly greater in measure or degree

this book really deepens our knowledge of how the brain works

Synonyms & Similar Words

• intensify
• enhance
• heighten
• strengthen
• consolidate
• reinforce
• broaden
• amplify
• sharpen
• expand
• boost
• accentuate
• redouble
• step up
• extend
• magnify
• lengthen
• augment
• emphasize
• beef (up)
• accelerate
• maximize
• enforce
• enlarge
• amp (up)
• hasten
• quicken
• supplement
• enliven
• point (up)
• exacerbate
• aggravate
• stress
• restrengthen
• jazz (up)

Antonyms & Near Antonyms

• reduce
• diminish
• decrease
• weaken
• moderate
• lessen
• tone (down)
• abate
• subdue
• recede
• alleviate
• subside
• lighten
• ease
• dwindle
• let up (on)
• wane
• taper (off)

Example Sentences

Recent Examples of deepen

And that deepens the concern that many young progressive Americans, including Jews, now see supporting Israel in any way as irreconcilable with their worldview. — Giovanna Dell'orto, Fortune, 31 July 2026

That slowdown could deepen if iPhone sales take a hit from a price increase that many analysts expect during the launch of the new lineup, which typically happens in September. — Aditya Soni, USA Today, 31 July 2026

Albums of new material followed, showing that Askew’s briny voice and cynically whimsical songcraft had only deepened with age. — Reed Jackson, SPIN, 31 July 2026

As inequality deepens across the state, drawing mounting backlash, California voters will decide on a ballot measure in November that would levy a one-time 5% tax on billionaires to help pay for healthcare. — Bloomberg, Mercury News, 30 July 2026