expression
generally speaking; broadly speaking; in a broad way
Used to introduce a rough summary or generalization, often when simplifying or giving an overview.
大まかに言えば、この計画は成功だった。
Broadly speaking, this plan was a success.
大まかに言えば、日本の夏は暑くて湿度が高い。
Generally speaking, Japanese summers are hot and humid.
More formal and literary; used for general tendencies rather than rough summaries.
More casual and colloquial; often used when giving a rough estimate or simplified explanation.
Fixed expression composed of 大まか (rough, broad) + に (adverbial particle) + 言えば (conditional form of 言う, 'to say'). Literally 'if one says roughly'.