Word: lackluster
Part of speech: Noun
Syllables: lack
lus
ter
Definition: Lack of brightness or points of interest.
Morphemes:
Affix: lack
Language: en
PoS: Noun
Meaning: A deficiency or need (of something desirable or necessary); an absence, want.
Affix: lust
Language: en
PoS: Verb
Meaning: To look at or watch with a strong desire, especially of a sexual nature.
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form diminutives.