実質的に

in effect

→ 実質的だ
phrase Rare #39,911
in effect Describes the practical or actual situation, especially when it differs from the formal, legal, or theoretical situation. Also commonly translates as “effectively” or “essentially.”
JA: 実質的には、彼がこの会社の責任者だ。
EN: In effect, he is in charge of this company.

実質的には誰だ

Who is it, really?

— オッペンハイマー (2023)

法的はまだだが実質的に僕の

She’s not my wife legally yet, but she is in every other sense!

— タイタニック (1997)

これは実質的にそれよりも高くはない

In practical terms, this is no higher than that.

実質的に全ての家庭にテレビがある

Virtually every household has a television.