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

Willard expressed gratitude that her dogs weren't seriously harmed during the incident. —Escher Walcott, PEOPLE, 30 Nov. 2025

Four Cal Fire firefighters trying to save a mobile home ended up seriously injured a few hours after the blaze ignited. —Karen Kucher, San Diego Union-Tribune, 30 Nov. 2025

The Olathe Police Department is investigating an armed disturbance Saturday that left an 85-year-old woman seriously injured. —Noelle Alviz-Gransee, Kansas City Star, 30 Nov. 2025

Adding the lavender would seriously level up my athleisure lineup. —Susan Brickell, Travel + Leisure, 30 Nov. 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