Word: heardest
Part of speech: Verb
Syllables: hear
dest
Definition: Alternative form of hear; perceive (sound) via the auditory sense
Morphemes:
Affix: heard
Language: en
PoS: Verb
Meaning: Simple past tense and past participle of hear; get to know or become aware of, usually accidentally
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)