Source : Webster's Revised Unabridged Dictionary (1913)

Thieve \Thieve\, v. t. & i. [imp. & p. p. {Thieved}; p. pr. &
   vb. n. {Thieving}.] [AS. ge[thorn]e['o]fian.]
   To practice theft; to steal.

Source : WordNet®

thieve
     v : take by theft; "Someone snitched my wallet!" [syn: {hook}, {snitch},
          {cop}, {knock off}, {glom}]