disagreement; disapproval; objection; dissent; non-consent
Formal term for lack of agreement, often used in legal, business, or official contexts. Can imply active refusal to consent.
I expressed my disagreement with his proposal.
Changes to the contract require mutual consent; if there is non-consent, they become void.
不同意 means withholding consent or refusing to agree, the direct negation of 同意.
Compound of 不 (fu, 'not') and 同意 (dōi, 'agreement, consent'). The word follows a standard Sino-Japanese pattern for negation.