Top Definition
Is a combination between horrendous (causing fear or dread or terror) and heinous (shockingly brutal or cruel) and is used to describe something that evokes a combination of these feelings.

For example, "The terrorist attacks were horreinous", or "did you see that horreinous film, it scared the hell out of me."
by Guy R Williams November 05, 2006
5 Words related to horreinous

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