in all seriousness

ADVERB

seriously

Synonyms

STRONGEST

actively earnestly passionately sincerely vigorously

STRONG

gravely

WEAK

all joking aside cool it cut the comedy determinedly down fervently for real in all conscience in earnest intently purposefully resolutely sedately simmer down soberly solemnly sternly straighten out thoughtfully with a straight face with forethought with sobriety zealously

Antonyms

WEAK

casually funnily lightly minor trivially

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I can’t,” the author replied in all seriousness.

From The Wall Street Journal • Apr. 10, 2026

Actually, in all seriousness, I was thinking that if the Raiders take over and score and then miss the extra point, my prediction of Chargers 24-23 will be exactly perfect.

From Los Angeles Times • Oct. 3, 2023

But in all seriousness, like many Americans, I get stressed a month or so before vacation time.

From Salon • Jul. 26, 2023

“We are preparing for this in all seriousness, and we have several backup plans,” Aaltonen-Forsell said.

From Reuters • May 5, 2022

“Take more than a hundred-foot fall to hurt that boy,” Roy Lee said in all seriousness.

From "October Sky" by Homer Hickam

in all seriousness

Example Sentences

Related Words