Word: fastenest
Part of speech: Verb
Syllables: fa
stenest
Definition: Alternative form of fasten; cause to be firmly attached
Morphemes:
Affix: fast
Language: en
PoS: Adjective
Meaning: Firmly or securely fixed in place; stable.
Affix: -en
Language: en
Meaning: inchoative
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)