1. To depress with fear; to terrify; to dismay.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• appel,
• appaul,
• zppal,
• sppal,
• wppal,
• qppal,
• aopal,
• alpal,
• a-pal,
• a0pal,
• aplal,
• ap-al,
• ap0al,
• appzl,
• appsl,
• appaal,
• appall,
• apall,
• appalll,
• Appaull

• appeal,
• apulia,
• apply,
• Appel,
• APEL,
• apple,
• apollo,
• Appell,
• appall.

The adverb form of "appal" is "appallingly".

The adjective form of the word "appal" is "appalling".

The plural form of the word "appal" is "appals".

The singular form of the word "appal" is "appal". This word does not have a distinct singular form as it is already singular.