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Definition of bedbug
bedbug
/ˈbɛd.bʌɡ/
bed · bug
Plural:bedbugs
bedbug Lexical Profile
CEFR
B2
Grade
4
Tier
2
Usage
Top 10k
Syllables
2
bedbug Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A small, flat, wingless parasitic insect (Cimex lectularius) that feeds on the blood of humans and other warm-blooded animals, typically active at night and frequently found infesting mattresses and bedding.
Example
"After discovering a bedbug on her pillow, she immediately called a professional exterminator to inspect the entire house."
Synonyms
View all synonyms for bedbug• Rhymes for bedbug
• Nearby Words
Word Origin & Etymology
Formed as a compound of 'bed' + 'bug' in the mid-16th century, named for the insect's tendency to infest sleeping areas and bite humans at night.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Bedbug. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/bedbug