IRRITATING (adjective) definition and synonyms | Macmillan Dictionary.

What type of word is irritatingly?

irritatingly adverb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com.

Is irritated a verb or adjective?

verb (used without object), ir·ri·tat·ed, ir·ri·tat·ing. to cause irritation or become irritated.