deepen vs intensify

deepen and intensify both are verbs.

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

As verbs, deepen and intensify are synonyms defined as:

As verbs, deepen and intensify are synonyms defined as:

Other synonyms of deepen include compound, heighten.

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