to the hilt (up to the hilt)
idiomPart ofhilt
to the hilt (up to the hilt) — idiom
1. as much as possible; in the most complete way; without holding anything back.
1.idiom
Definition
as much as possible; in the most complete way; without holding anything back.
Example
The local bank backed Paloma's new business venture to the hilt.
Rohan played the lead role in the school play to the hilt.