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seriously Synonyms

Another word for seriously

Looking for synonyms for seriously? Explore similar words and another word for seriously, grouped by exact definition and ranked by match strength.
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• adverb (Context 1)

In a solemn, earnest, or thoughtful manner, without joking or humor.

Usage Example

"The committee took the environmental safety recommendations very earnestly."

Strongest
earnestly
solemnly
gravely
Strong
in earnest
soberly
thoughtfully
somberly
sincerely

• adverb (Context 2)

To a severe, critical, or dangerous degree.

Usage Example

"Several passengers were severely injured when the train derailed during the storm."

Strongest
severely
critically
gravely
badly
Strong
dangerously
acutely
grievously
deeply

• adverb (Context 3)

Used as a sentence modifier to indicate that the speaker is speaking sincerely or shifting from a humorous tone to a factual one.

Usage Example

"in all seriousness, we need to finalize our travel itinerary before the ticket prices increase."

Strongest
in all seriousness
all joking aside
honestly
Strong
truly
really
for real
frankly

• interjection (Context 4)

Used to express disbelief, shock, annoyance, or to ask whether someone is being sincere.

Usage Example

"really? You expect me to finish the entire quarterly report in two hours?"

Strongest
really
for real
Strong
honestly
no way
you're kidding
come on

• adverb (Context 5)

To a very great or impressive extent (used informally as an intensifier).

Usage Example

"That new bakery downtown makes extremely good sourdough bread."

Strongest
extremely
incredibly
exceptionally
Strong
remarkably
extraordinarily
tremendously
super
terribly
awfully
highly

Opposites of seriously

Looking for antonyms? The opposite of seriously varies depending on the context. Here are a few common opposites:

lightly
slightly
jokingly
flippantly
frivolously
minorly
jestingly
barely
See all opposites of seriously

Cite this Entry


Wordmom. (2026). Synonyms for Seriously. In Wordmom Thesaurus. Retrieved Nov 1, 2026, from https://wordmom.com/synonyms/seriously
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