The word "counter-checks" refers to the act of verifying or confirming the accuracy or validity of something. The antonyms for this word are doubt, mistrust, uncertainty, ambiguity, and obscurity. Doubt is the feeling of uncertainty or lack of conviction about something. Mistrust is a lack of confidence or faith in someone or something. Uncertainty is the lack of sureness or confidence about the outcome of something. Ambiguity refers to unclear or confusing meanings or interpretations. Obscurity refers to the state of being unknown, uncertain, or obscure. To negate or oppose "counter-checks," one could use any of these antonyms to suggest a lack of trust or verification.