Etymology
Advertisement

deepen (v.)

c. 1600, transitive, "to make deep or deeper," from deep (adj.) + -en (1). Intransitive sense of "become deep or deeper" is from 1690s. Related: Deepened; deepening. The earlier verb had been simply deep (Middle English deopen), from Old English diepan.

Others are reading

Advertisement
Advertisement
Definitions of deepen

deepen (v.)
make more intense, stronger, or more marked;
This event only deepened my convictions
Synonyms: intensify / compound / heighten
deepen (v.)
become more intense;
His dislike for raw fish only deepened in Japan
Synonyms: intensify
deepen (v.)
make deeper;
They deepened the lake so that bigger pleasure boats could use it
deepen (v.)
become deeper in tone;
Her voice deepened when she whispered the password
Synonyms: change
From wordnet.princeton.edu