Word: benighted
Part of speech: Adjective
Syllables: be
night
ed
Definition: Difficult to understand; abstruse, obscure.
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: As an extension of the above, when used along with an adjective preceding the noun, describes something that has an object of a particular quality.