all the way is an adverb meaning "to the goal". It carries 3 recorded senses.
completely
“read the book clear to the end”
“slept clear through the night”
“there were open fields clear to the horizon”
not stopping short of sexual intercourse
“she went all the way with him”
Definitions, synonyms and semantic relations for all the way come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.