Similar words: double, double up, redouble, on the double, double room, at the double, double back, double helix. Meaning: ['dʌbl] 
n. 1. badminton played with two players on each side 2. tennis played with two players on each side.
n. 1. badminton played with two players on each side 2. tennis played with two players on each side. 
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151, An elderly man squints at an automated teller machine (ATM) screen and the font size doubles almost instantly.
152, She is disgusted by big hotels adding so many extras to the bill that it nearly doubles.
153, This course practices the skill on grip, strokes, footwork, forehand drive , backhand drive , serve, and playing single and doubles.
154, Zhao Cai, a 66-year-old knife sharpener, is one of the old-timers who can still be found wandering around with a beaten-up toolbox that doubles as a bench.
More similar words: double, double up, redouble, on the double, double room, at the double, double back, double helix, double check, double-decker, double-header, double-dealing, double entendre, double cropping, double jeopardy, double insurance, troublesome, troubleshooter, doubly, doubling, doubloon, rouble, trouble, troubled, in trouble, redoubtable, untroubled, doubt, no doubt, doubtful.