showing a sense of guilt; "a guilty look"; "the hangdog and shamefaced air of the retreating enemy"- Eric Linklater
responsible for or chargeable with a reprehensible act; or marked by guilt; "guilty of murder"; "the guilty person"; "secret guilty deeds"; "a guilty conscience"; "guilty behavior"
the only surviving hominid; species to which modern man belongs; bipedal primate having language and ability to make and use complex tools; brain volume at least 1400 cc