Definitions from Wiktionary (twitter)

▸ noun:  (uncountable) The sound of a succession of chirps as uttered by birds.
▸ noun:  (uncountable, electronics) Unwanted flicker that occurs in interlaced displays when the image contains vertical detail that approaches the horizontal resolution of the video format.
▸ noun:  (countable) A tremulous broken sound.
▸ noun:  (countable) A slight trembling of the nerves.
▸ noun:  (countable, informal or British, regional) Chiefly in the form in a twitter: a state of excitement or nervousness; a twit.
▸ verb:  (intransitive) To utter a succession of chirps.
▸ verb:  (intransitive, transitive) (of a person) To talk in an excited or nervous manner.
▸ verb:  To make the sound of a half-suppressed laugh; to titter; to giggle.
▸ verb:  To have a slight trembling of the nerves; to be excited or agitated.
▸ verb:  (obsolete, transitive) To twit; to reproach or upbraid.
▸ noun:  (Northern England, Scotland, weaving, archaic) A knot or other defect in a thread or yarn which hinders spinning or weaving; a twit.
▸ noun:  (trademark) An online social networking service that enables users to send and read short messages (280 characters; originally 140); officially known as X since 2023.
▸ noun:  (Internet, informal) A user account belonging to the above service.
▸ noun:  (Internet, informal, usually in combination) A community on Twitter.
▸ verb:  (ambitransitive, Internet, sometimes proscribed) To tweet; to post an update to Twitter.
▸ verb:  Alternative form of Twitter [(ambitransitive, Internet, sometimes proscribed) To tweet; to post an update to Twitter.]

---

▸ Word origin

▸ Words similar to Twitter
▸ Usage examples for Twitter

▸ Idioms related to Twitter
▸ Wikipedia articles (New!)
▸ Popular adjectives describing Twitter
▸ Words that often appear near Twitter
▸ Rhymes of Twitter

▸ Invented words related to Twitter