How to pronounce vitriol

1 : bitterly harsh or caustic language or criticism political commentators spewing angry vitriol Rumor has always played a role in politics, but rarely have the backstage operatives been so adroit, and so cynical, in their use of vitriol.—

When the T and D sounds come between two other consonant sounds, many Americans will drop them. But when we add the -ly ending, it now comes between two consonants. You’ll hear a lot of native speakers say ‘exactly‘, with no T sound. Exactly, exactly.