GRE horrendous Definition Extremely unpleasant, bad, or shocking. Example "The accident caused a horrendous mess on the highway." Sign in to save GRE PDF — $25 ← hornet horrible → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant