Irreverent is an adjective of two genders in the Portuguese language, which serves to qualify someone who acts with irreverence, that is, that demonstrates lack of respect.
As far as etymology is concerned, the word irreverent comes from the Latin. The antonym of irreverent is reverent, and this term is derived from the Latin verb see, which means "to be afraid of, to respect". So, someone who is irreverent is someone who has no fear or respect for anyone or anything.
Some synonyms for the word irreverent are: inconsiderate, impolite, uncivil, and disrespectful.
Most of the time, the term irreverent is used in a derogatory way. However, in many cases it can be a compliment, which describes someone who lives life their way and seeks happiness regardless of the customs and traditions established by society. Irreverence is a characteristic of many young people, who are considered rebels because they do not conform and do not accept things just because the majority do.
An irreverent individual can also be classified as someone who is uninhibited and cheerful, who has an irreverent sense of humor.