[f. TWITTER sb.1 1 or v.1 + -Y.] Apt to twitter or tremble; feeble, shaky; also fig.
1883. L. Wingfield, A. Rowe, II. iv. 92. Olivia was twittery, nervous and sensitive.
1889. Cornh. Mag., July, 69. A feeble, twittery tale of love.
1907. Una L. Silberrad, Gd. Comrade, ii. 12. The Captain was rather twittery at lunch.