treble /ˈtɹɛbəl/noun 9verb 4adjective 2adverb 1forms 3 noun9 •Three goals, victories, awards etc. in a given match or season.As for City, a domestic treble is off the cards and they must haul themselves off the floor quickly with the second leg of their last-16 Champions League tie against Barcelona on Wednesday. — 2014 •A win in the top league, top national cup and top continental cup in the same season. •The highest singing voice (especially as for a boy) or part in musical composition.The voices include a counter (always below the tenor), a countertenor (moving above and below the tenor), mene, treble, and quadreble. — 1991 •Any high-pitched or shrill voice or sound. •A person or instrument having a treble voice or pitch; a boy soprano. •The highest tuned in a ring of bells. •Any of the narrow areas enclosed by the two central circles on a dartboard, worth three times the usual value of the segment. •(old-fashioned) A threefold quantity or number; something having three parts or having been tripled. •(old-fashioned) A drink with three portions of alcohol; a triple verb4 •To multiply by three; to make into three parts, layers, or thrice the amount.German climate minister says speed of carbon cuts needs to be trebled [title] — 2022 •To become multiplied by three or increased threefold.I am more serious then my custome; you Must be so too, if heed me: which to do Trebbles thee o're. — 1610 •To make a shrill or high-pitched noise. •To utter in a treble key; to whine.He outrageously / (When I accused him) trebled his reply. — 1618 adjective2 •Pertaining to the highest singing voice or part in harmonized music. •Threefold, triple.A lofty tower, and strong on every side / With treble walls. — 1697 adverb1 •(old-fashioned) Trebly; triply.Whose deserts might buy him treble — 1623 formstrebled · trebling · trebles