Definition of arrestant
: a substance that stimulates an insect to stop locomotion
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share arrestant
Time Traveler for arrestant
The first known use of arrestant was in 1962
See more words from the same year