[ sin-seer-lee ]
See synonyms for sincerely on
  1. in a way that is genuine, earnest, or truthful: We sincerely hope you can accept our apology.

  2. a conventional term used at the end of a letter: Sincerely, Mrs. Rose McNair.

Origin of sincerely

First recorded in 1560–70; sincere + -ly; def. 2 recorded in 1700–05

Words Nearby sincerely Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sincerely in a sentence