We found 4 dictionaries that define the word dead serious:

General (2 matching dictionaries)

1. dead-serious: Wordnik
2. Dead Serious (album): Wikipedia, the Free Encyclopedia

Miscellaneous (1 matching dictionary)

3. dead serious: Idioms

Slang (1 matching dictionary)

4. Dead Serious: Urban Dictionary

Phrases: dead serious face, more... ▸ Words similar to dead serious ▸ Usage examples for dead serious ▸ Idioms related to dead serious ▸ Wikipedia articles (New!) ▸ Words that often appear near dead serious ▸ Rhymes of dead serious ▸ Invented words related to dead serious