The antonyms for "concurs with" include "opposes," "disagrees," "contradicts," "refutes," and "disputes." While "concurs with" means to agree or share the same opinion, these antonyms indicate a disagreement or a differing point of view. Using these antonyms can help you communicate the opposite of "concurs with" in a precise and accurate way. For instance, instead of saying "I concurred with their decision," you could say "I opposed their decision" or "I disagreed with their decision." Precise language helps avoid misunderstandings and ensures that you communicate your thoughts accurately.