Word: deepenest
Part of speech: Verb
Syllables: dee
pe
nest
Definition: Alternative form of deepen; make more intense, stronger, or more marked; 
Morphemes:
Affix: deep
Language: en
PoS: Adjective
Meaning: Thick.
Affix: -en
Language: en
Meaning: inchoative
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.