Used to indicate the opposite or near opposite, often in a form of understatement.
Used before a determiner phrase, a pronominal phrase etc. to convey a negative attitude (e.g. denial, sadness, anger) towards something.
Used before a non-finite clause (especially a gerund-participial clause) or less commonly a determiner phrase to ironically convey some attitude (e.g. surprise, incredulity, amusement, or embarrassment) towards something.informal, ironic
Lingaku