Answers

2016-01-04T22:16:39+08:00
Lackluster means dull, gloomy, or uninspired. As a part of a speech, lackluster is an adjective. Lackluster came from its root word 'luster' meaning radiance and a prefix 'lack' meaning it doesn't have. Some antonyms of lackluster are vigorous, radiant, and shining.
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