Wiktionary
adv. (context idiomatic English) completely, fully, to one's limit
WordNet
adv. in full; "you are in this to the hilt" [syn: to the limit]
Wikipedia
To the Hilt is an album by Dutch rock band Golden Earring, released in 1976 (see 1976 in music).
To the Hilt: Story from the Wild East is a 2014 Macedonian action- adventure western style film directed by Stole Popov. The film takes place in Ottoman ruled Macedonia. The filming started in May, 2012 and scenes were shot in Bitola, Ohrid, Skopje, Demir Hisar, Štip and Prilep. It premiered in Skopje, in October 2014
It was selected as the Macedonian entry for the Best Foreign Language Film at the 87th Academy Awards, but was not nominated.
Usage examples of "to the hilt".
The Constitutionist gang would back him to the hilt and the Sociocrats would growl and finally assent.