[bug] n [ME bugge scarecrow; akin to Norw dial. bugge important man] (14c) obs: bogey, bugbear
[2]bug n [origin unknown] (1622) 1 a: an insect or other creeping or crawling invertebrate b: any of several insects commonly considered obnoxious: as (1): bedbug (2): cockroach (3): head louse c: any of an order (Hemiptera and esp. its suborder Heteroptera) of insects that have sucking mouthparts, forewings thickened at the base, and incomplete metamorphosis and are often economic pests--called also true bug
2: an unexpected defect, fault, flaw, or imperfection 3 a: a germ or microorganism esp. when causing disease b: an unspecified or nonspecific sickness usu. presumed due to a bug
4: a sudden enthusiasm
5: enthusiast "a camera ~"
6: a prominent person 7: a concealed listening device
8. [fr. its designation by an asterisk on race programs]: a weight allowance given apprentice jockeys [3]bug vt bugged ; bug.ging (1949) 1: bother, annoy "don't ~ me with petty details"
2: to plant a concealed microphone in [4]bug vb bugged ; bug.ging [prob. fr.
[2]bug] vi (1877) of the eyes: protrude, bulge--often used with out ~ vt: to cause to bug "his eyes were bugged with horror"