How to Say "Twitter" in Japanese

ツイッター

Tsuittā[t͡sɨit̚ta̠ː]

The English phrase "twitter" is translated into Japanese as ツイッター (Tsuittā).

ツイッター is the name used for the online social networking service.

Meaning: online social networking service (name)

How do you pronounce it?

Tsuittā

In Japan, the act of 'lurking' or reading ツイッター without posting is sometimes called ROMる, derived from 'Read Only Memory'.
While 'Twitter' is a loanword, the act of 'tweeting' is often described using the native Japanese verb つぶやく (tsubuyaku), which means 'to mutter' or 'to murmur'.
Many Japanese users refer to their 'Twitter friends' as ツイ友 tsui-tomo, a portmanteau combining ツイッター and 友達 'friend'.

またツイッター落ちてる。
Twitter is down again.
This sentence is useful for saying that ツイッター is currently unavailable.
Tatoeba #3596675 by tommy_san, translation #9235023 by kedymera
ツイッターやってる人いる？
Is anyone on Twitter?
This sentence is useful for asking if anyone uses ツイッター.
Tatoeba #3589724 by tommy_san, translation #7910905 by User83551
ツイッターにアカウントがありますか。
Do you have a Twitter account?
This sentence is useful for asking if someone possesses a ツイッター account.
Tatoeba #1538020 by bunbuku, translation #953191 by CK
私の友達はツイッターで面白い投稿をしているよ。
My friend posts interesting content on Twitter.
9 more sentences on Tatoeba

Kenta and Himari are talking about social media during a break.

健太 Kenta

ツイッターでそのニュースを見たよ。
Twitter de sono nyuusu o mita yo.
I saw that news on Twitter.
陽葵 Himari

本当に？ツイッターは情報の流れが早いね。
Hontou ni? Twitter wa jouhou no nagare ga hayai ne.
Really? Information flows fast on Twitter.
健太 Kenta

陽葵さんのツイッターもフォローしてもいい？
Himari-san no Twitter mo foroo shite mo ii?
Can I follow your Twitter too, Himari?
陽葵 Himari

もちろん、いいよ。
Mochiron, ii yo.
Of course, you can.

Sources

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