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

If the aircraft boosts past Mach 3, the game changes seriously as the engine transitions into an all-fuel, ramjet-like configuration with virtually no moving parts involved. —New Atlas, 14 Dec. 2025

However, the Thai army announced Saturday that BM-21 rockets had hit a civilian area in Sisaket province, seriously injuring two civilians who had heard warning sirens and had been running toward a bunker for safety. —Arkansas Online, 14 Dec. 2025

There are a handful of players every year who could seriously be in the conversation as the game’s current best scorer. —James L. Edwards Iii, New York Times, 14 Dec. 2025

And in Manchester, United Kingdom, at least two Jewish worshippers were killed and three others seriously injured in a car ramming and stabbing attack outside a synagogue on Yom Kippur, the holiest day in Judaism. —Aileen Graef, CNN Money, 14 Dec. 2025

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