seriously

adverb

se·​ri·​ous·​ly ˈsir-ē-əs-lē 

1

: in a sincere manner : earnestly

speaking seriously

2

: to a serious extent : severely, extremely

seriously injured

Synonyms of seriously

• extremely
• terribly
• very
• incredibly
• too
• really
• highly
• damn
• so
• badly
• damned
• severely
• desperately
• far
• greatly
• especially
• that
• much
• intensely
• heavily
• most

Examples of seriously in a Sentence

No one was seriously injured in the accident.

I thought seriously about death while I was in the hospital.

You should seriously consider buying a new car.

You don't mean that seriously, do you?

It was so hot that we nearly melted. But seriously, it was hotter than I've ever experienced.

I think you are seriously mistaken.

Recent Examples on the Web

In many cases, inexpensive drones can kill or seriously wound Russian personnel at a fraction of the cost associated with traditional military systems. —Hunter Lacroix, Baltimore Sun, 20 June 2026

Others never seriously considered it. —Phil Lodico, Fortune, 20 June 2026

Citi Bike took the mission extremely seriously, building a new age verification system that would ensure minors were not riding illegally. —Bradley Tusk, New York Daily News, 20 June 2026

Why not invest just as seriously in recreation centers, evening sports leagues, arts programs, neighborhood events and summer employment opportunities designed specifically for teenagers? —Chicago Tribune, 19 June 2026

Word History

First Known Use

1643, in the meaning defined at sense 2

Phrases Containing seriously

• take (someone or something) seriously
• take themselves too seriously

Rhymes for seriously

• deliriously
• imperiously
• mysteriously