adj. 1. Triple: "treble reason for loving as well as working while it is day" (George Eliot). 2. Music Relating to or having the highest part, voice, or range. 3. High-pitched; shrill. n. 1. Music a. The highest part, voice, instrument, or range. b. A singer or player that performs this part. 2. A high, shrill sound or voice. tr. & intr.v. treb·led, treb·ling, treb·les To make or become triple. [Middle English, from Old French, from Medieval Latin triplum, from Latin, neuter of triplus, triple; see TRIPLE.] treble·ness n. trebly (trĕblē) adv. |
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