Word: nightful
Part of speech: Adjective
Syllables: night
ful
Definition: Pertaining to the night; occuring at night, found at night, resulting from the night, night-like, etc.
Morphemes:
Affix: night
Language: en
PoS: Noun
Meaning: An evening or night spent at a particular activity.
Affix: -ful
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns. Full of, tending to, or thoroughly possessing the quality expressed by the noun.