厳げん密みつに言いうと

expression

strictly speaking

Used to introduce a precise or technically accurate statement, often to correct a looser assumption. Similar to 厳密に言えば.

See also: 厳密に言えば

• 厳げん密みつに言いうと、これは哺ほ乳にゅう類るいではない。

  Strictly speaking, this is not a mammal.