What is the form of word irritating in comparative and superlative?

"Irritating" is already an adjective in its base form. Therefore, there is no comparative or superlative form in the traditional sense for this word.

However, you can express degrees of irritation using other words or phrases:

More Irritating:

* More annoying

* More bothersome

* More frustrating

* Exasperating

* Aggravating

Most Irritating:

* Most annoying

* Most bothersome

* Most frustrating

* Utterly infuriating

* Extremely aggravating

You can also use adverbs like "very," "extremely," "incredibly," etc. to intensify the meaning of "irritating."