adjective Chiefly British Informal.
Examples from the Web for peckish
Well, now I'm off home, for its peckish work mowing on an empty belly, and the mother'll be looking out for me.Austin and His Friends|Frederic H. Balfour
The luncheon gong will go in a minute or two, and this keen air makes one peckish—Eh, what?The Silent Barrier|Louis Tracy
Why, of course, this is their breakfast-time, and the sight of us has made them peckish.The Ocean Cat's Paw|George Manville Fenn
Peckish is though more likely to be derived from the action of birds when eating, as all slang has its origin in metaphor.The Slang Dictionary|John Camden Hotten
If I felt sort of peckish they let me suck a little glass thermometer, but there is not much nourishment really in thermometers."Speaking of Operations--"|Irvin S. Cobb