Having an acrid smell.

Roget 395: unsavoriness etc. adj.; amaritude^†; acrimony, acridity (bitterness) 392.2; roughness etc. (sour) 397; acerbity, austerity; gall and wormwood, rue, quassia^†, aloes; marah^†; sickener^†.    ... show more

Roget 401: fetor^†; bad etc. adj.. smell, bad odor; stench, stink; foul odor, malodor; empyreuma^†; mustiness etc. adj.; rancidity; foulness etc. (uncleanness) 653.    stoat, polecat, skunk; assafoetida^†; fungus, garlic; stinkpot; fitchet^†, fitchew^†, fourmart^†, peccary.    acridity etc. 401.1. ... show more

Roget 401a: acridity, astringency, bite.    [acrid substances] tear gas; smoke, acrid fumes.   

Extreme bitterness:
— The acridity of alkali.

synonym: acridness.

Roget 392b: bitterness, acridness^†, acridity, acrimony; caustic, alkali; acerbity; gall, wormwood; bitters, astringent bitters.    Angostura [additive for alcoholic beverages], aromatic bitters.    sourness etc. 397; pungency etc. 392.    [bitter substances] alkaloids; turmeric.    ... show more

The quality of being sharply disagreeable in language or tone.

synonym: acridness.