Thesaurus
To save this word, you'll need to log in.
Keep scrolling for more
Keep scrolling for more
Comments on insecticide
What made you want to look up insecticide? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
March 2020 Words of the Day Quiz
- Which is a synonym of rectitudinous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- March 2020 Words of the Day Quiz Take the quiz
- Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share insecticide
Time Traveler for insecticide
The first known use of insecticide was in 1865
See more words from the same year