If you describe something such as a crime as heinous, you mean that it is extremely evil or horrible. They are capable of the most heinous acts. = evil, monstrous
shockingly brutal or cruel; "murder is an atrocious crime"; "a grievous offense against morality"; "a grievous crime"; "no excess was too monstrous for them to commit"
heinousness
Heceleme
hei·nous·ness
Telaffuz
Etimoloji
[ 'hA-n&s ] (adjective.) 14th century. Middle English, from Middle French haineus, from haine hate, from hair to hate, of Germanic origin; akin to Old High German haz hate; more at HATE.