There are several synonyms for the phrase 'under humour'. Some of the most common synonyms include 'in a hilarious way', 'with a comedic twist', and 'with a sense of irony'. Other synonyms include, 'playfully', 'wittily', 'amusingly', and 'jocularly'. When someone does something under humour they are usually attempting to be funny or light hearted. It is common for people to use this style of humour in order to diffuse tense or stressful situations. No matter which synonym is used, the intent is usually the same: to make people laugh and lift their spirits.