triple /ˈtɹɪp.əl/adjective 7noun 9verb 4forms 3phrases 1 adjective7 •made of three parts of the same kind joined togetherThe triple markings on this vase are quite unique. •Folded in three; composed of three layers. •Having three aspects. •Of three times the quantity; treble.Give me a triple serving of mashed potatoes. •Of time, three times as fast as very fast. •Designed for three users. •(no longer used) One of three; third.the third payes for all: the triples sir , is a good tripping measure — 1601 noun9 •a number or amount that is the result of multiplying another by three •a baseball hit on which the batter runs safely as far as third baseThe shortstop hit a triple to lead off the ninth. •a sequence of three numbers or other items, used in mathematics and computing •(US) A hamburger with three patties.I'd like a triple with cheese. •(informal) A drink with three portions of alcohol.I've had a hard day; make that a triple. •Three runs. •a successful shot in basketball worth three points, thrown from behind a line far from the basket •a curling shot in which the thrown stone knocks three stones out of play at once •Short for triple combination engine. verb4 •To multiply by three.The company tripled their earnings per share over last quarter. •To become three times as large.Our earnings have tripled in the last year. •To serve or operate as (something), in addition to two other functions.Radio Shack's All-Purpose Crimper/Cutter ($9.95) doubles as a wire stripper and triples as a bolt cutter. — 1982 •To get a three-base hit.The batter tripled into the gap. formstripled · tripling · triples Phrases with triple triple downTo significantly increase (a risk, investment, or other commitment) to a maximum; to respond to a challenge by reinforcing or extending one's position to a maximum.