Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
doctor of philosophy
New Latin philosophiae doctor
Keep scrolling for more
Resources for PhD
More Definitions for PhD
: an earned academic degree conferring the rank and title of doctor of philosophy
: a person who has a doctor of philosophy
More from Merriam-Webster on PhD
Spanish Central: Translation of PhD
Comments on PhD
What made you want to look up PhD? Please tell us where you read or heard it (including the quote, if possible).
by force of circumstances
Get Word of the Day daily email!
Difficult Vocab Quiz
Can you spell these 10 commonly misspelled words?
Test Your Knowledge - and learn some interesting things along the way.
It is a word, though.
CNN reporter questions President.
Ariana Grande slams ex-fiancé.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
A common word, but only by a whisker
Semantic bleaching and the power to amaze
Cans of worms, wild-goose chases, and more
Words from the week of 11/16/2018
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Another round of challenging vocab!
(Secret October WOTD Quiz)
A game of winding words.