intensify vs deepen

intensify and deepen both are verbs.

Word	Noun	Adjective	Verb	Adverb
intensify	No	No	Yes	No
deepen	No	No	Yes	No

As verbs, intensify and deepen are synonyms defined as:

As verbs, intensify and deepen are synonyms defined as:

Other synonyms of intensify include compound, heighten.

intensify (verb)	deepen (verb)
become more intense	become more intense
make more intense, stronger, or more marked	make more intense, stronger, or more marked
increase in extent or intensity	become deeper in tone
make the chemically affected part of (a negative) denser or more opaque in order produce a stronger contrast between light and dark	make deeper