Word: lackluster
Part of speech: Adjective
Syllables: lack
lus
ter
Definition: Having no shine or lustre; dull.
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: Noun
Meaning: A feeling of strong desire, especially such a feeling driven by sexual arousal.
Affix: -er
Language: en
PoS: Suffix
Meaning: Used to form nouns shorter than more formal synonyms.