Word: fillest
Part of speech: Verb
Syllables: fillest
Definition: Alternative form of fill; appoint someone to (a position or a job)
Morphemes:
Affix: fill
Language: en
PoS: Verb
Meaning: To install someone, or be installed, in (a position or office), eliminating a vacancy.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)