adj. 1. Characterized by rich or profuse growth: a luxuriant garden; luxuriant hair. See Synonyms at profuse. 2. a. Rich and elaborate, as in decoration. b. Extremely productive: a luxuriant imagination. 3. Marked by or displaying luxury; luxurious: a luxuriant hotel. lux·uri·ance n. lux·uri·ant·ly adv. |
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