Word.ws English Dictionary

come online

come online verb: to enter service or become active.

Verb

come online (third-person singular simple present comes online, present participle coming online, simple past came online, past participle come online)

  1. (idiomatic) To enter service or become active.
    • It will be some time before the new factory comes online, and until then we can't fulfill demand.
  2. (idiomatic) To log in to an Internet communication system, such as an instant messenger, online game or forum.
    • Come online later; I want to talk to you.

Forms of come online

third-person singular presentcomes online
present participlecoming online
pastcame online
past participlecome online

Questions about come online

What does come online mean?
Come online means to enter service or become active.
What part of speech is come online?
Come online is a verb.
What is the past tense of come online?
The past tense of come online is came online.

Words near come online in the dictionary

  1. come on over
  2. come on strong
  3. come on to
  4. come on vacation, leave on probation
  5. come one's way
  6. come online
  7. come ons
  8. come onto
  9. come out
  10. come out in
  11. come out in the wash

Source and license

Adapted from Wiktionary: come online (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: en-au-come online.ogg.

Cite this entry: “come online.” Word.ws, https://word.ws/come_online. Based on Wiktionary, CC BY-SA 4.0.