- Today's Word
Noxious
NOK-shuhs
Definition
- (adjective) Harmful, poisonous, or dangerous to health.
Example
The noxious fumes from the factory forced the town to evacuate.
Fun Fact
“Noxious” comes from the Latin noxa, meaning “harm” or “injury.” Historically, it was used to describe deadly gases, polluted air, and poisonous plants. In literature, Shakespeare frequently referenced noxious substances, such as the poison that killed Hamlet’s father. Beyond physical dangers, the word has taken on a figurative meaning, applying to toxic relationships, manipulative people, and harmful ideologies—reminding us that not all poisons come in a bottle.
(adjective) Relating to a distinctive habit, mannerism, or characteristic peculiar to an individual.
Her idiosyncratic habit of color-coding every notebook she owned was odd to others but essential to her.
Idiosyncratic traces back to the Greek idiosynkrasia, a combination of idios (“one’s own”), syn (“together”), and krasis (“mixture” or “temperament”). The word was originally used in medicine to describe a patient’s unique physical constitution or reaction to substances — a blend of qualities belonging only to that individual.