— acridity /euh krid"i tee/ , acridness , n. — acridly , adv.
/ak"rid/ , adj.
1. sharp or biting to the taste or smell; bitterly pungent; irritating to the eyes, nose, etc.: acrid smoke from burning rubber.
2. extremely or sharply stinging or bitter; exceedingly caustic: acrid remarks.
[ 1705-15; acr- (s. of acer ) sharp, sour + -ID 4 , perh. through influence of ACID ]