noun, noun which may take the genitive case particle 'no', adverb
in effect; effectively; practically; for all practical purposes
Describes a situation that is not officially or formally the case, but is true in practical terms. Often used in news and formal contexts to contrast appearance with reality.
The company is effectively bankrupt.
彼が事実上のリーダーだ。
He is the de facto leader.
He is the de facto manager of this company.
The plan was effectively cancelled.