How to say caustically in different languages

You can say caustically as sarcastiquement, au vitriol in the following countries: Benin; Burkina Faso; Burundi; Central African Republic; Chad; Democratic Republic of the Congo; Djibouti; France; French Guiana; French Polynesia; French Southern Territories; Gabon; Guadeloupe; Guinea; Ivory Coast; Madagascar; Mali; Martinique; Mayotte; Monaco; Niger; Republic of the Congo; Reunion; Saint Barthelemy; Saint Martin; Saint Pierre and Miquelon; Senegal; Togo;

You can say caustically as sarcásticamente in the following countries: Argentina; Bolivia; Chile; Colombia; Costa Rica; Cuba; Dominican Republic; Ecuador; El Salvador; Equatorial Guinea; Guatemala; Honduras; Mexico; Nicaragua; Panama; Paraguay; Peru; Spain; Uruguay; Venezuela;

You can say caustically as з'едліва in the following countries: Belarus;

You can say caustically as kousavě in the following countries: Czechia;

You can say caustically as zjadliwie in the following countries: Poland;

You can say caustically as язвительно, колко in the following countries: Russia;

You can say caustically as їдко, уїдливо in the following countries: Ukraine;