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Definitions

seriously

[seer-ee-uhs-lee] / ˈsɪər i əs li /
ADVERB
not humorously
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 all seriousness 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
ADVERB
dangerously, critically
Synonyms
STRONGEST
acutely badly grievously intensely severely sorely very
STRONG
gravely
WEAK
decidedly deplorably distressingly harmfully menacingly perilously precariously quite regrettably threateningly
Antonyms
STRONGEST
little
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.

Maybe we’ll really let things go so far that we’ll seriously need to consider blotting out the sky someday soon.

From Salon • Apr. 4, 2026

No one takes himself or the subject too seriously in Mr. Scheinfeld’s film; if its arguments are convincing, it’s because of a very soft sell.

From The Wall Street Journal • Apr. 2, 2026

According to Puerta, North was seriously injured late last year when he was hit by a car as he walked into Fromin’s deli in Santa Monica.

From Los Angeles Times • Mar. 31, 2026

Seven people were seriously hurt when they were hit by a black Suzuki Swift in Friar Gate at about 21:30 GMT on Saturday.

From BBC • Mar. 31, 2026

These personal attacks devastated Rachel Jackson, and she soon became seriously ill.

From "In the Shadow of Liberty" by Kenneth C. Davis

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.