Word: heavest
Part of speech: Verb
Syllables: hea
vest
Definition: Alternative form of heave; throwing something heavy (with great effort)
Morphemes:
Affix: heave
Language: en
PoS: Verb
Meaning: To make an effort to raise, throw, or move anything; to strain to do something difficult.
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)