Word: benighted
Part of speech: Adjective
Syllables: be
night
ed
Definition: Plunged into darkness.
Morphemes:
Affix: be-
Language: en
PoS: Prefix
Meaning: As an intensifier; i.e. thoroughly, excessively; completely; utterly.
Affix: night
Language: en
PoS: Noun
Meaning: Darkness (due to it being nighttime).
Affix: -ed
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns, in the sense of having the object represented by the noun.