根拠
Meanings
1
basis; grounds; foundation; reason
Refers to the logical or evidential basis for a claim, decision, or action. Often used in formal, legal, or academic contexts.
There is no sufficient basis for that claim.
The judge explained the grounds for the verdict in detail.
2
Used for a physical or organizational base from which activities are conducted. Less common than sense 1; often appears in compound words like 活動の根拠.
The NGO has its base of operations in Africa.
Usage patterns
- 〈事〉に根拠があるthere is a basis/grounds for ~
There are sufficient grounds for that claim.
- 〈場所〉に根拠を置くto base (one's operations) in a place
The organization is based in Tokyo.
- 根拠を示すto show/give the grounds (for something)
He showed the grounds for his opinion.
- 根拠を欠くto lack grounds/basis
That criticism lacks any basis.
- 〈事〉という根拠でon the grounds that ~
He was rejected for hiring on the grounds that he had no experience.