sincerely · adverb /sɪnˈsɪr.li/Full view
Sincerely (yours)
B1 used at the end of a letter or e-mail to someone who is not a friend or family member
Dictionary examples:

Sincerely yours, Eleanore Mera

Sincerely, Drew Gimbal

Learner example:

Thanks For your attention. Sincerely, (First Certificate in English; B2; Spanish)

sincerely
C1 in a sincere way
Dictionary example:

I sincerely hope this never happens again.

Learner example:

I sincerely hope that you improve your services. (Certificate in Advanced English; C1; Portuguese)

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