Source : Webster's Revised Unabridged Dictionary (1913)

Scunner \Scun"ner\, v. t. [Cf. {Shun}.]
   To cause to loathe, or feel disgust at. [Scot. & Prov. Eng.]

Scunner \Scun"ner\, v. i.
   To have a feeling of loathing or disgust; hence, to have
   dislike, prejudice, or reluctance. [Scot. & Prov. Eng.] --C.
   Kingsley.

Scunner \Scun"ner\, n.
   A feeling of disgust or loathing; a strong prejudice;
   abhorrence; as, to take a scunner against some one. [Scot. &
   Prov. Eng.] --Carlyle.

Source : WordNet®

scunner
     n : a strong dislike; "they took a scunner against the United
         States"