What's the adjective for acidulously? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs acidify, acidulate, acidise and acidize which may be used as adjectives within certain contexts.
“The sprocket wheels, chains, and other metal parts with which the acid solution may come in contact are covered with asphalt paint or heavy grease in order to retard corrosion.”
“The milk helps, therefore, to neutralize the acid taste of the wine and clarifies it at the same time.”
“Her interpretation is perfectly pitched to Catherine's acid sarcasm.”