From Longman Dictionary of Contemporary Englishcome back phrasal verb1to return to a particular place or person syn returnMy mother was scared that if I left home I’d never come back.Ginny’s left me, and there’s nothing I can do to persuade her to come back.2FASHIONABLEto become fashionable or popular again → comebackWho’d have thought hippy gear would ever come back!High heels are coming back into fashion.3to appear or start to affect someone or something again syn returnThe pain in her arm came back again.It took a while for my confidence to come back.4REMEMBERif something comes back to you, you remember it or remember how to do itAs I walked the city streets, the memories came flooding back. toI can’t think of her name at the moment, but it’ll come back to me.5CRITICIZEto reply to someone quickly, often in an angry or unkind way → comeback atHe came back at me immediately, accusing me of being a liar. →come→ See Verb table
Examples from the Corpus
come back• Rachel's left me, and I don't think she'll ever come back.• Whoever left the gloves will probably come back for them tomorrow.• He's just come back from a vacation in Miami.• Despite this, 93.1% said they come back from holiday feeling refreshed and relaxed.• After a while Clarisa came back in with her bag and made a nest for herself on the couch.• They would come back on leave and wear their scarlettunics in the dale.• She didn't come back right away because the phonerang.• They put an intern on it, and in traditionalgovernmentalfashion an answercame back three years later.• When will you be coming back to London?• So the fox sat down by him and chatted until the young lordcame back with a stag which he had shot.come to• I can't think of the title at the moment, but it'll come back to me.• If you can remember all that, I'm sure the rest will come back to you.