This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. To fill with consternation or dismay. See Synonyms at dismay.

v. To depress or discourage with fear; to impress with fear in such a manner that the mind shrinks, or loses its firmness; to overcome with sudden terror or horror; to dismay; as, the sight appalled the stoutest heart.

v. To make pale; to blanch.

v. To weaken; to enfeeble; to reduce.

v. To depress or discourage with fear; to impress with fear in such a manner that the mind shrinks, or loses its firmness; to overcome with sudden terror or horror; to dismay.

verb-intransitive. To grow faint; to become weak; to become dismayed or discouraged.

verb-intransitive. To lose flavor or become stale.

n. Terror; dismay.

n. See appal.

v. fill with apprehension or alarm; cause to be unpleasantly surprised

v. strike with disgust or revulsion

"Somtow himself warned that the new opera, inspired by American action movies, might "appall" some of his fellow Thais."

appalled    appalling    appalls    appals   

disgust    revolt    nauseate    sicken    churn up   

appalling    appalled   

depress    dismay    terrify    daunt    frighten    scare    affright    weaken    enfeeble    reduce   

Ball    Fall    Gaul    Hall    Montreal    Nepal    Paul    Raul    Saul    Senegal