a. (UN-1 7.)
1791. Cowper, Odyssey, XX. 419. Wide they stretch’d Their jaws with unspontaneous laughter loud.
1885. Wesleyan Method. Mag., Dec., 955/2. Cases of unspontaneous Scripture-study.
1898. Westm. Gaz., 15 Dec., 2/1. His acting … is so mechanical,… so painfully unspontaneous.
