Word: smoothest
Part of speech: Adjective
Syllables: smooth
est
Definition: Alternative form of smooth; make smooth or smoother, as if by rubbing
Morphemes:
Affix: smooth
Language: en
PoS: Verb
Meaning: To make smooth or even.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.