pestiferous

adjective pes·tif·er·ous \ pe-ˈsti-f(ə-)rəs \

Definition of pestiferous

1 : dangerous to society : pernicious
2 a : carrying or propagating infection : pestilential
b : infected with a pestilential disease

pestiferously

adverb

pestiferousness

noun

Examples of pestiferous in a Sentence

  1. a pestiferous weed that has given gardeners no end of grief

Recent Examples of pestiferous from the Web

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

Origin and Etymology of pestiferous

Middle English, from Latin pestifer pestilential, noxious, from pestis + -fer -ferous


Medical Dictionary

pestiferous

adjective pes·tif·er·ous \ pes-ˈtif-(ə-)rəs \

medical Definition of pestiferous

1 : carrying or propagating infection : pestilential
  • a pestiferous insect
2 : infected with a pestilential disease


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

allowing a liquid or gas to pass through

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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