1. To strip the skin from: In this sense, an antonym could be "cover," "protect," "shield," or "preserve."
2. To criticize harshly: In this sense, an antonym could be "praise," "commend," "applaud," "endorse," or "support."
For example:
* "Flay" meaning to strip skin:
* Antonym: "The doctor protected the wound with a bandage."
* "Flay" meaning to criticize harshly:
* Antonym: "The reviewer praised the author's new book."
It's important to consider the context to choose the most accurate antonym.