[f. prec. + -ISM.] The practice of what is theatrical; theatrical style or character; staginess.
1854. Ld. Coleridge, in Life, I. 220. The dangers of sentimentalism and theatricalism in religion.
1884. J. W. Hales, Notes & Ess. Shaks., 73. There is nothing normal or calm, but incessant eccentricity and theatricalism.
1908. Westm. Gaz., 18 April, 2/3. The phrase has just enough of the declamatory quality in it to give it that touch of theatricalism which was dear to the heart of the man who spoke it.
So † Theatricalist nonce-wd., one who takes part in private theatricals.
1802. in Spirit Pub. Jrnls., VI. 181. Pic-nic Theatricalists.