instant-message
verb /ˌɪnstənt ˈmesɪdʒ/
  /ˌɪnstənt ˈmesɪdʒ/
 (also IM)
 [intransitive, transitive]Verb Forms
| present simple I / you / we / they instant-message |    /ˌɪnstənt ˈmesɪdʒ/   /ˌɪnstənt ˈmesɪdʒ/  | 
| he / she / it instant-messages |    /ˌɪnstənt ˈmesɪdʒɪz/   /ˌɪnstənt ˈmesɪdʒɪz/  | 
| past simple instant-messaged |    /ˌɪnstənt ˈmesɪdʒd/   /ˌɪnstənt ˈmesɪdʒd/  | 
| past participle instant-messaged |    /ˌɪnstənt ˈmesɪdʒd/   /ˌɪnstənt ˈmesɪdʒd/  | 
| -ing form instant-messaging |    /ˌɪnstənt ˈmesɪdʒɪŋ/   /ˌɪnstənt ˈmesɪdʒɪŋ/  | 
- to send a written message using a system on the internet that allows people to communicate with each other very quickly
- She spent most of the evening instant-messaging.
 - instant-message somebody He instant-messaged me last night.
 - instant-message somebody something Can you instant-message me the news?