plural of Jack-of-all-trades

plural of spring-heeled Jack

plural of two-eyed jack

Very quickly; quicker than one expects.

Too much focus on one's career may lead to one being uninteresting company. / Too much hard work and not enough leisure time can be unhealthy.

A European bird (Coloeus monedula) of the crow family, often nesting in church towers and ruins. / A Daurian jackdaw, a closely related Asian bird (Coloeus dauuricus).

(Australia, obsolete) The laughing kookaburra, Dacelo novaeguineae.

A glossy leather calf-covering military boot, commonly associated with German soldiers of the WWII era.

(transitive) To stamp on with a jackboot. / (intransitive) To march in jackboots.

Any of certain wild canids of the genus Canis, native to the tropical Old World and smaller than a wolf. / A person who performs menial/routine tasks, a dogsbody.