adj. 1 twofold, paired, coupled, duplicate(d), doubled The forms banned and banning are spelt with a double n 2 folded or doubled or bent over, overlapped, two-ply This wound needs a double bandage 3 dual, twofold, ambiguous, double-barrelled He pronounced it 'de-seat', giving deceit a double meaning 4 twice The plant had grown to double its size 5 deceitful, dishonest, treacherous, traitorous, insincere, hypocritical, double-dealing, false It was Maria who exposed Fernando as a double agent
v. 6 duplicate, replicate; copy; increase, enlarge; magnify We'll have to double our milk order
n. 7 twin, duplicate, copy, replica, facsimile, clone, copy, counterpart, doppelgnger, look-alike, stand-in, understudy, Slang (dead) ringer, spitting image or spit and image He could be Clint Eastwood's double 8 at or on the double. quickly, on the run, at full speed or tilt, briskly, immediately, at once, without delay, Slang p.d.q. (= 'prety damned quick'): Put down that book and come over here on the double!