retweet noun 1verb 1forms 3 noun1 •A message reposted or forwarded in this way.You know it's an iPhone or iPad app, but those new to you, who came via a retweet or Twitter search, may not know which platform your app supports. — 2011 verb1 •To repost or forward another user's message on the microblogging social networking website Twitter.Because your messages will be relevant to them, they are much more likely to retweet your messages and recommend that other people follow you on Twitter. — 2009 formsretweeted · retweeting · retweets