Definition of chat verb from the Oxford Advanced Learner's Dictionary

      

    chat

     verb
    verb
    BrE BrE//tʃæt//
     
    ; NAmE NAmE//tʃæt//
     
    Verb Forms present simple I / you / we / they chat
    BrE BrE//tʃæt//
     
    ; NAmE NAmE//tʃæt//
     
    he / she / it chats
    BrE BrE//tʃæts//
     
    ; NAmE NAmE//tʃæts//
     
    past simple chatted
    BrE BrE//ˈtʃætɪd//
     
    ; NAmE NAmE//ˈtʃætɪd//
     
    past participle chatted
    BrE BrE//ˈtʃætɪd//
     
    ; NAmE NAmE//ˈtʃætɪd//
     
    -ing form chatting
    BrE BrE//ˈtʃætɪŋ//
     
    ; NAmE NAmE//ˈtʃætɪŋ//
     
    Social networking, Using the Internet
     
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  1. 1  [intransitive] to talk in a friendly informal way to somebody chat (to/with somebody) My kids spend hours chatting on the phone to their friends. chat away (to/with somebody) Within minutes of being introduced they were chatting away like old friends. chat about something/somebody What were you chatting about?
  2. 2[intransitive] chat (away) (to/with somebody) | chat (about something/somebody) to exchange messages with other people on the Internet, especially in a chat room He's been on the computer all morning, chatting with his friends. Wordfinderaccess, blog, browse, chat, google, navigate, search engine, unsubscribe, visit, the Web More Like This Consonant-doubling verbs bob, club, dub, grab, rub, sob, throb kid, nod, pad, plod, prod, shred, skid, thud beg, blog, bug, drag, drug, flag, hug, jog, log, mug, nag, plug bar, confer, infer, occur, prefer, refer, star, stir, transfer acquit, admit, allot, chat, clot, commit, jut, knit, pat, regret, rot, spot, submit (in British English:) appal, cancel, channel, control, counsel, enrol, equal, excel, fuel, fulfil, label, level, marvel, model, pedal, quarrel, signal, travelSee worksheet. See related entries: Social networking, Using the Internet
  3. Word Origin Middle English: shortening of chatter.Extra examples George was in the kitchen chatting to some friends. I spent a happy half-hour chatting with a friend. I’ve been chatting online with my best friend. They chatted away to each other. We chatted briefly about the weather. You will have a chance to circulate and chat informally. Phrasal Verbschat somebodyup
See the Oxford Advanced American Dictionary entry: chat