deadass

adverb

dead·​ass ˈded-ˌas 

1

slang : in all seriousness : seriously

Deadass I've watched that Black Panther trailer at least 15 times.

—@NeoGameSpark, on X, formerly Twitter

So Ivanka Trump was behind me in line at Starbucks this AM and I was reading and deadass didn't notice until she gave her order.

—@ellievhall, on X, formerly Twitter

"Man, having André [3000] involved was a dream come true. The whole experience of working with him side by side on something so amazing is deadass hard to fathom."

—$ilkmoney

2

slang : to the fullest extent

… we were deadass serious and that's something that nobody can deny.

—Laila Ali, quoted in Post-Standard (Syracuse, New York)

Word History

First Known Use

1963, in the meaning defined at sense 1

Rhymes for deadass

• alas
• amass
• bromegrass
• bypass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse