Counter signed is a term used to refer to a document that requires two or more signatures before it can be considered valid. The term is often used in legal and financial contexts. Antonyms for counter signed include unsigned, unconfirmed, invalid, unapproved, and unverified. These terms describe documents or transactions that lack the required signatures or have not been properly vetted. Unsigned documents are often considered unreliable and can be easily dismissed or ignored. Unconfirmed or unverified transactions may raise red flags and lead to further scrutiny or investigations. Therefore, it is crucial to ensure that all documents, especially those with legal or financial implications, are properly counter-signed before they are considered complete.