Word: fosterest
Part of speech: Verb
Syllables: fo
ste
rest
Definition: Alternative form of foster; bring up under fosterage; of children
Morphemes:
Affix: foster
Language: en
PoS: Verb
Meaning: To nurture or bring up offspring, or to provide similar parental care to an unrelated child.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.