The word "not admit" can be expressed in different ways, depending on the context and the tone of the situation. Synonyms for this term include "refute," which suggests a strong denial of something; "deny," which implies a hesitation or reluctance to accept an idea or statement; "disagree," which indicates a difference of opinion; and "dispute," which can be used to challenge or contest a claim. Other alternatives to "not admit" include "reject," "protest," "rebuke," "contradict," "oppose," or "contend." Each of these words has its own unique connotations and may be more appropriate for specific scenarios.