Word: fastest
Part of speech: Adjective
Syllables: fast
est
Definition: Alternative form of fast; indicating a time ahead of or later than the correct time
Morphemes:
Affix: fast
Language: en
PoS: Adjective
Meaning: Ahead of the correct time or schedule.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.