From Longman Dictionary of Contemporary Englishpeckishpeck‧ish /ˈpekɪʃ/ adjective British English informal HUNGRY/WANT TO EATslightly hungry She was feeling a bit peckish.
Examples from the Corpus
peckish• This is the stage when party-goers get peckish.• The kids were getting peckish so Sammy found a cafe nearby.• I'm feeling a bit peckish. What's in the fridge?feeling ... peckish• With some tuna mousse, if you're really feeling peckish. 