[f. COLLOQUIAL + -ITY.] Colloquial quality or style; concr. a colloquial expression.
1846. Blackw. Mag., LX. 21. We must take care that we are not led … into mean colloquialities.
1876. Mayer, Mrs. Browning’s Lett. R. H. Horne, I. 6. Letters of this kind are the perfection of refined colloquiality.
