Meaning & use
deepen
To make or become deeper, either physically or in intensity.
See it in a sentence
Engineers deepened the channel so that larger ships could pass through.
Their friendship deepened after years of supporting each other through hardship.
A note on using this word
Deepen applies literally to water or holes and figuratively to feelings, understanding, or a crisis.
Words with a similar meaning
intensifyextend
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
lessen
Make it your own
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