Definition of twittish in US English:

twittish

adjective

British
informal
  • See twit

    • ‘By the way, since you responded: Shall I take this as a sign that you are a twittish loser?’
    • ‘It was charming and twittish at the same time.’
    • ‘Those who report on Washington, write columns or work on editorials are among the most twittish.’
    • ‘They started the tape recorder and began with such a twittish question - which my memory does not retain - that I could only stare blankly and mutter ‘It's science fiction, innit?’’
    • ‘I think what you didn't realize is how twittish and silly your non-helpful post is in a group like this.’

Pronunciation

twittish

/ˈtwɪdɪʃ//ˈtwidiSH/