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noun small metal/plastic tube that you blow ADJ. dog, factory, police, train | guard's, referee's, etc. | steam | penny, tin VERB + WHISTLE blow (on), sound A train sounded its whistle in the distance. WHISTLE + VERB blow, go, sound The referee's whistle went just before he shot the goal. PHRASES a blast on a whistle He gave a short blast on his whistle. clear high-pitched sound ADJ. loud | high, high-pitched, piercing, shrill | low | long | short | silent He pursed his lips in a silent whistle. | tuneless | wolf | final (sport) They scored their only goal just before the final whistle. VERB + WHISTLE give, let out | hear PREP. with a ~ The train entered the tunnel with a shrill whistle. | ~ of She gave a low whistle of admiration.SOUND, verb ADV. loudly | softly, under your breath | through your teeth Norma looked at the parcel and whistled softly through her teeth. | cheerfully | tunelessly VERB + WHISTLE begin to | hear sb PREP. at Men whistled at her in the street. | in James whistled in amazement. | to William whistled to me from a distance.
Oxford Collocations Dictionary