1. A dull sound; a thump.
2. A blow that produces a dull sound.
3. Informal A stupid, dull person.
v. clunked, clunk·ing, clunks
1. To make or move with a clunk.
2. To strike something so as to make a dull sound.
To strike so as to make a dull sound: "Icy weather affected the clock's mechanism and for several hours Big Ben clunked instead of bonged the time changes" (Christian Science Monitor).
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.