Definitions

sincerely

[sin-seer-lee] / sɪnˈsɪər li /

ADVERB

seriously, honestly

Synonyms

STRONGEST

candidly deeply earnestly genuinely naturally profoundly really truly truthfully wholeheartedly

WEAK

aboveboard frankly from bottom of heart in all conscience in all sincerity in good faith ingenuously without equivocation

Antonyms

STRONGEST

doubtfully

WEAK

dishonestly untruthfully

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.

I sincerely regret everything this situation has caused.

From BBC • Jun. 15, 2026

“We sincerely apologize for the concern and distress this announcement causes our customers,” the company said.

From Los Angeles Times • Jun. 14, 2026

If Times employees sincerely believe that Times management is using AI to run the newspaper like a dystopian police state, can we really expect staff to file perfectly balanced copy on the potential of AI?

From The Wall Street Journal • May 27, 2026

Something you should know about me: I am, deeply and sincerely, a sketch comedy nerd.

From Salon • May 25, 2026

And he said it really sincerely, which made me feel like a jerk.

From "The Line Tender" by Kate Allen

Vocabulary lists containing sincerely

Commonly Misspelled Words, List 4

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List 3

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List 5

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