Lackluster

//ˈlæklʌstə(ɹ)//

Word Forms of "lackluster" (7 forms)

Adjective
Alternative, UKlack-lustre
Alternative, UKlacklustre
Comparativemore lackluster
Superlativemost lackluster
Noun
Alternative, UKlack-lustre
Alternative, UKlacklustre

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.