Word: prosperest
Part of speech: Verb
Syllables: pro
spe
rest
Definition: Alternative form of prosper; make steady progress; be at the high point in one's career or reach a high point in historical significance or importance
Morphemes:
Affix: prosper
Language: en
PoS: Verb
Meaning: To be successful; to succeed; to be fortunate or prosperous; to thrive; to make gain.
Etymology Compounds: Affix: prosperō
Language: la
Decoded: prospero
Meaning: I render happy
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.