bud·​worm | \ ˈbəd-ˌwərm How to pronounce budworm (audio) \

Definition of budworm

: a moth larva that feeds on the buds of plants — compare spruce budworm, tobacco budworm

Examples of budworm in a Sentence

Recent Examples on the Web

The problem in asking me is that there are all manner of reasons why a spruce tree would have needles turn brown, from sawflies and budworms to fungi, viruses, mites and bad weather. Jeff Lowenfels, Alaska Dispatch News, "Spruce trees turning brown? Here’s what might be going wrong," 22 Sep. 2017 This article on Petunias from Colorado State gives information on petunias and their pests, including the Tobacco (geranium) budworm. Kym Pokorny, OregonLive.com, "Can watering in heat of the day hurt plants? Ask the experts," 12 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'budworm.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of budworm

1849, in the meaning defined above

Keep scrolling for more

Learn More about budworm

Statistics for budworm

Look-up Popularity

Time Traveler for budworm

The first known use of budworm was in 1849

See more words from the same year

More from Merriam-Webster on budworm

Rhyming Dictionary: Words that rhyme with budworm

Comments on budworm

What made you want to look up budworm? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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