Meaning of the word "dead set on" in English

What does "dead set on" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

dead set on

US /dɛd sɛt ɑn/
UK /dɛd sɛt ɒn/
"dead set on" picture

Idiom

determined to do something, often despite difficulties or opposition

Example:
She's dead set on becoming a doctor, no matter how hard it is.
They were dead set on winning the championship this year.