I. adjective — [ predic.] 1. of a satisfactory or acceptable quality • the tea was all right.
2. in a satisfactory mental or physical state • do you feel all right to walk home?
3. permissible; allowable • it’s all right for you to go now.
II. adverb 1. in a satisfactory manner or to a satisfactory extent; fairly well • we get on all right.
2. used to emphasize how certain one is about something • ‘Are you sure it’s him?’ ‘It’s him all right.’.
III. exclamation expressing or asking for assent, agreement, or acceptance • all right, I’ll tell you.
IV. phrases 1. it’s all right for—— used to suggest that someone is luckier than you • it was all right for them! They didn’t have to put up with the brat trailing after them
• “It’s all right for some,” Grandad huffed.
2. it’ll be all right on the night used to say that a performance or event will be successful even if the preparations have not gone well • the organizers assure everyone that it will all be all right on the night.
usage: There is no logical reason for insisting that all right should be written as two words rather than as alright, when other single-word forms such as altogether have long been accepted. Nevertheless, alright is still regarded as being unacceptable in formal writing.