Cockamamie is a term used to describe something that is silly, ridiculous, or absurd. There are several synonyms that can be used in place of cockamamie, including farcical, ludicrous, preposterous, and absurd. The word is often used to describe ideas, plans, or concepts that are seen as impractical or nonsensical. Other synonyms for cockamamie include harebrained, zany, and nonsensical. These words convey a sense of humor and whimsy, while also indicating that the topic being discussed is not to be taken seriously. Whatever the context, there are many synonyms available to convey the same sense of absurdity and foolishness as cockamamie.