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Synonyms for

terrible

6 synonyms and better words for “terrible,” each with its precise meaning and an example so you pick the one that actually fits, not just the nearest match.

atrocious

/ə-ˈtrō-shəs/Elevated

Horrifyingly wicked or shockingly bad in quality or nature.

The conditions in the abandoned warehouse were atrocious, with mold creeping up every wall.

Best for: Works well in both formal critique and casual emphasis; stronger than 'terrible' without sounding obscure.

abysmal

/ə-ˈbɪz-məl/Punchy

Deplorably bad, as though bottomless in its awfulness.

His abysmal performance in the final round cost the team the championship.

Best for: Great for expressing contemptuous disappointment; common in reviews and sharp commentary.

execrable

/ˈɛk-sɪ-krə-bəl/Literary

Deserving of utter condemnation; detestably bad.

The critic dismissed the film as execrable drivel that wasted two hours of her life.

Best for: Strong literary flavour; excellent in written criticism or formal prose where you want biting precision.

diabolical

/ˌdaɪ-ə-ˈbɒl-ɪ-kəl/Punchy

Fiendishly evil or outrageously dreadful in character or effect.

The weather during the expedition turned diabolical, swallowing the summit in black cloud.

Best for: Punchy and vivid; works brilliantly in British English for emphasis, both serious and hyperbolic.

grievous

/ˈɡriː-vəs/Elevated

Causing great suffering, sorrow, or severe harm.

The surgeon acknowledged the grievous error that had altered the patient's life forever.

Best for: Dignified and weighty; suited to formal, legal, or solemn contexts where gravity is required.

flagitious

/flə-ˈdʒɪʃ-əs/Rare Gem

Deeply criminal or villainous; marked by scandalous wickedness.

The tribunal catalogued the flagitious abuses carried out under cover of bureaucratic order.

Best for: Genuinely rare; reserved for historically or morally charged writing where you want archaic gravitas.

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