v. mourned, mourn·ing, mourns
1. To feel or express grief or sorrow. See Synonyms at grieve.
2. To show grief for a death by conventional signs, as by wearing black clothes.
3. To make a low, indistinct, mournful sound. Used especially of a dove.
1. To feel or express deep regret for: mourned the wasted years.
2. To grieve over (someone who has died).
3. To utter sorrowfully.
[Middle English mornen, from Old English murnan, to be anxious, care about, yearn, mourn; see (s)mer-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.