1620s (implied in irrespectively), "disrespectful," from assimilated form of in- (1) "not, opposite of" + respective. Meaning "without taking account of (something)" is from 1690s. Main modern use is adverbial ("irrespective of"), attested from 1839.
双语例句
1. Everyone is treated equally, irrespective of race.
不分种族，每个人都受到公平对待。
来自《权威词典》
2. He is going to buy it irrespective of what you say.
不管你说什么,他是买定了.
来自《简明英汉词典》
3. He is going to buy it, irrespective of what you say.
不管你说什么，他是买定了。
来自辞典例句
4. This service should be available to everybody, irrespective of whether they can afford it.
这项服务应该面向所有人，不管他们是否负担得起。
来自辞典例句
5. Reproduction is constant irrespective of climate and other variations.
