Word: grinsome
Part of speech: Adjective
Syllables: grin
some
Definition: Characterised or marked by grinning.
Morphemes:
Affix: grin
Language: en
PoS: Verb
Meaning: To express by grinning.
Affix: -some
Language: en
PoS: Suffix
Meaning: Characterized by some specific condition or quality, usually to a considerable degree.