The most appropriate synonym of the given word confess is admit.
- Confess means "to acknowledge or admit something, especially something that is considered to be wrong or shameful."
- Obligatory means "required or necessary."
- Admit means "to acknowledge or accept the truth of something."
- Dedicated means "having or showing a strong commitment to a particular cause or purpose."
- Knotty means "difficult to understand or solve."
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