All-encompassing means taking in absolutely everything. An all-encompassing theory.
It is usually a warning, since a theory that explains everything predicts nothing. An all-encompassing solution is what gets promised and never delivered.
1adjectiveall-encompassingTaking in absolutely everything.
“The all-encompassing review touched every department and changed none.”
all-encompassing is a quality.
From all- + encompassing.
Etymology from Wiktionary, CC BY-SA