bill·​bug ˈbil-ˌbəg How to pronounce billbug (audio)
: any of various weevils (as of the genus Sphenophorus) having larvae that eat the roots of cereal and other grasses

Examples of billbug in a Sentence

Recent Examples on the Web Check for mealybugs, billbugs and nematodes in zoysia lawns and treat as needed. Tom MacCubbin,, 30 June 2018

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'billbug.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


bill entry 1 + bug

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of billbug was in 1831

Dictionary Entries Near billbug

Cite this Entry

“Billbug.” Dictionary, Merriam-Webster, Accessed 18 Jun. 2024.

More from Merriam-Webster on billbug

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!