Word of the Day
Apps by Dictionary
Know how to use "fewer" and "less"? Find out.
the radian measure of the argument between −π and π of a complex number.
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Discover our greatest slideshows
8 Wintry Words
A lot vs. Alot: 9 Grammatical...
10 Words Coined in the Sci-Fi...
9 Words About Beginnings
Browse more topics on our blog
What Is the Difference Between Discreet and Discrete?
Learn the correct uses of these two commonly confused homophones.
What Character Was Removed from the Alphabet?
What mistaken pronunciation gave this character its name?
This small mark has two primary uses: to signify possession or omitted letters.
How Do I Get a Word into the Dictionary?
People invent new words all the time, but which ones actually make it?
Word of the Day
Difficulty index for
Few English speakers likely know this word
Word Value for
Words With Friends
Mistakes are made on two counts: an argument is either based on error or incorrectly developed.
Wisdom is the principal thing; therefore get wisdom: and with all thy getting get understanding.
God should not be called an individual substance, since the principal of individuation is matter.
Nearby words for principal-argument
principal artery of thumb
principal ideal domain
principal nursing officer
principal optic axis
principal quantum number
principle of competitive exclusion
principle of complementarity
principle of correspondence
principle of duality
principle of economy
principle of equivalence
principle of indifference
principle of least action
principle of mathematical induction
principle of microscopic reversibility
principle of sufficient reason
principle of superposition
principle of virtual work
principles of physical science