Added 10 October 2026 atwitter /əˈtwɪtɚ/ adjective Categories: Obscure Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about atwitter at Wordnik → Where our words come from → Twittering. Nervously excited. Related Words: agogtwitterytwattedchatterytwattingchattersometwangingchatteringchirrupytalksytwerkalicioussquawky Back to today's word