Plead  v. 1 (foll. By with) make an earnest appeal to. 2 (of an advocate) address a lawcourt. 3 maintain (a cause) in a lawcourt. 4 (foll. By guilty or not guilty) declare oneself to be guilty or not guilty of a charge. 5 allege as an excuse (plead insanity). 6 (often as pleading adj.) Make an appeal or entreaty (in a pleading voice). [anglo-french pleder: related to *plea]