Nonsuit \Non"suit`\, v. t. [imp. & p. p. {Nonsuited}; p. pr. & vb. n. {Nonsuiting}.] (Law) To determine, adjudge, or record (a plaintiff) as having dropped his suit, upon his withdrawal or failure to follow it up. "When two are joined in a writ, and one is nonsuited." --Z. Swift. [1913 Webster]