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lack‧lus‧tre British English ; lackluster American English

1 not exciting, impressive etc [= dull]:
a lacklustre performance
a lacklustre performance2 not shining [= dull]:
lacklustre hair
lacklustre hairWORD FOCUS: bad 
very bad: awful, terrible, horrible, lousy informal, appalling, ghastly, atrocious, horrendous
bad, but not very bad: not very good, mediocre, second-rate, so-so, lacklustre
of bad quality: shoddy, inferior, poor quality, cheap, crummy informal
bad at doing something: be no good at something
very bad at doing something: hopeless, terrible, useless, lousy informal, incompetent
morally bad: evil, wicked, immoral, corrupt, sick, perverted, degenerate
➔ See also bad

very bad: awful, terrible, horrible, lousy informal, appalling, ghastly, atrocious, horrendous
bad, but not very bad: not very good, mediocre, second-rate, so-so, lacklustre
of bad quality: shoddy, inferior, poor quality, cheap, crummy informal
bad at doing something: be no good at something
very bad at doing something: hopeless, terrible, useless, lousy informal, incompetent
morally bad: evil, wicked, immoral, corrupt, sick, perverted, degenerate
➔ See also bad





