peregrine /ˈpɛɹəɡɹin/adjective 5noun 2forms 3 adjective5 •Wandering, travelling, migratory.The Romani are perpetually peregrine people. •Not native to a region or country; foreign; alien. •Extrinsic or from without; exotic.As soon as she had smiled her face altered again, and the petulant expression peregrine to her features took control. — 1946 •With "tone" Referring to the tonus peregrinus or 'wandering tone' in ecclesiastical chant and mode theory. •Lacking essential debility. noun2 •The peregrine falcon. •(old-fashioned) A foreigner; a person resident in a country other than his or her own. formsperegrines · more peregrine · most peregrine