Get-up, also known as attire, outfit, or clothing, refers to the clothing or accessories worn by an individual. Antonyms for the term "get-up" include words such as undress, unclothe, strip off, disrobe, and divest. These words indicate the act of removing clothing rather than adding or wearing it. The antonyms for get-up can be used in various contexts, such as changing into comfortable clothes after a long day or taking off clothes before going to bed. It's important to have a good understanding of antonyms and their meanings to improve vocabulary and communication skills.