To save this word, you'll need to log in.
Definition of tyrant
1a : an absolute ruler unrestrained by law or constitution
b : a usurper of sovereignty
2a : a ruler who exercises absolute power oppressively or brutally
b : one resembling an oppressive ruler in the harsh use of authority or power
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Odd Habits and Quirks Quiz

- Which of the following best describes an easily irritated person?

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
Odd Habits and Quirks Quiz Test your knowledge of strange human behaviors.
Take the quiz
Name That Thing: Animal Edition How many animals can you identify?
Take the quiz
Spell It Can you spell these 10 commonly misspelled words?
Take the quiz
Citation Do you know the person or title these quotes describe?
Play the game

















Share tyrant
Time Traveler for tyrant
The first known use of tyrant was in the 14th century
See more words from the same century