We found one dictionary that defines the word dead set on:

General (1 matching dictionary)

1. dead set on: Merriam-Webster

Phrases: Dead Set on Life, dead set on something, more... ▸ Words similar to dead set on ▸ Usage examples for dead set on ▸ Idioms related to dead set on ▸ Wikipedia articles (New!) ▸ Words that often appear near dead set on ▸ Rhymes of dead set on ▸ Invented words related to dead set on