n.; pl. Thieves [ OE. thef, theef, AS. þeóf; akin to OFries. thiaf, OS. theof, thiof, D. dief, G. dieb, OHG. diob, Icel. þjōfr, Sw. tjuf, Dan. tyv, Goth. þiufs, þiubs, and perhaps to Lith. tupeti to squat or crouch down. Cf. Theft. ] 1. One who steals; one who commits theft or larceny. See Theft. [ 1913 Webster ]

There came a privy thief, men clepeth death. Chaucer. [ 1913 Webster ]

Where thieves break through and steal. Matt. vi. 19. [ 1913 Webster ]

2. A waster in the snuff of a candle. Bp. Hall. [ 1913 Webster ]

Thief catcher. Same as Thief taker. --
Thief leader, one who leads or takes away a thief. L'Estrange. --
Thief taker, one whose business is to find and capture thieves and bring them to justice. --
Thief tube, a tube for withdrawing a sample of a liquid from a cask. --
Thieves' vinegar, a kind of aromatic vinegar for the sick room, taking its name from the story that thieves, by using it, were enabled to plunder, with impunity to health, in the great plague at London. [ Eng. ] [ 1913 Webster ]

Syn. -- Robber; pilferer. -- Thief, Robber. A thief takes our property by stealth; a robber attacks us openly, and strips us by main force. [ 1913 Webster ]

Take heed, have open eye, for thieves do foot by night. Shak. [ 1913 Webster ]

Some roving robber calling to his fellows. Milton. [ 1913 Webster ]

a. & adv. Like a thief; thievish; thievishly. [ Obs. ] Chaucer. [ 1913 Webster ]

n. [ Thienyl + ketone. ] (Chem.) A ketone derivative of thiophene obtained as a white crystalline substance, (C4H3S)2.CO, by the action of aluminum chloride and carbonyl chloride on thiophene. [ 1913 Webster ]

n. [ Thiophene + -yl. ] (Chem.) The hypothetical radical C4H3S., regarded as the essential residue of thiophene and certain of its derivatives. [ 1913 Webster ]

v. t. & i. [ imp. & p. p. Thieved p. pr. & vb. n. Thieving. ] [ AS. geþeófian. ] To practice theft; to steal. [ 1913 Webster ]

n. 1. The practice of stealing; theft; thievishness. [ 1913 Webster ]

Among the Spartans, thievery was a practice morally good and honest. South. [ 1913 Webster ]

2. That which is stolen. [ Obs. ] Shak. [ 1913 Webster ]

a. 1. Given to stealing; addicted to theft; as, a thievish boy, a thievish magpie. [ 1913 Webster ]

2. Like a thief; acting by stealth; sly; secret. [ 1913 Webster ]

Time's thievish progress to eternity. Shak. [ 1913 Webster ]

3. Partaking of the nature of theft; accomplished by stealing; dishonest; as, a thievish practice. [ 1913 Webster ]

Or with a base and biosterous sword enforce
A thievish living on the common road. Shak. [ 1913 Webster ]

-- Thiev"ish*ly, adv. -- Thiev"ish*ness, n. [ 1913 Webster ]