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 would like to sincerely express my regret," he wrote.

From Barron's • Jun. 6, 2026

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

From Salon • May 25, 2026

"We sincerely apologise for causing inconvenience and concern to our customers due to this," the company said.

From BBC • May 19, 2026

A cheek has never been turned more obviously, publicly or sincerely.

From Los Angeles Times • May 19, 2026

So I sincerely hope you’re passing them on.

From "Thirteen Reasons Why" by Jay Asher

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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