Synonyms for Acrid (same or very similar meaning)
WordNet sense 1 (strong and sharp):
pungentWordNet sense 2 (pleasing to the sense of taste):
tastyWordNet sense 3 (harsh or corrosive in tone):
acerbic, acid, bitter, blistering, caustic, sulfurous, venomous, virulent, vitriolic, acerb, sulphurousWordNet sense 4 (disagreeable to the senses, to the mind, or feelings ):
unpleasantFrom the ODE community, based on WordNetadd/edit