Try Our Apps


Pore Over vs. Pour Over


[deyn-jer-uh s, deynj-ruh s] /ˈdeɪn dʒər əs, ˈdeɪndʒ rəs/
full of danger or risk; causing danger; perilous; risky; hazardous; unsafe.
able or likely to cause physical injury:
a dangerous criminal.
Origin of dangerous
1175-1225; Middle English da(u)ngerous domineering, fraught with danger < Old French dangereus threatening, difficult, equivalent to dangier (see danger) + -eus -ous
Related forms
dangerously, adverb
dangerousness, noun
nondangerous, adjective
nondangerously, adverb
nondangerousness, noun
quasi-dangerous, adjective
quasi-dangerously, adverb
semidangerous, adjective
semidangerously, adverb
semidangerousness, noun
undangerous, adjective
undangerously, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for dangerous
Contemporary Examples
Historical Examples
British Dictionary definitions for dangerous


causing danger; perilous
Derived Forms
dangerously, adverb
dangerousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for dangerous

early 13c., "difficult, arrogant, severe" (the opposite of affable), from Anglo-French dangerous, Old French dangeros (12c., Modern French dangereux), from danger (see danger).

In Chaucer, it means "hard to please, reluctant to give;" sense of "full of danger, risky" is from late 15c. Other words used in this sense included dangersome (1560s), dangerful (1540s). Related: Dangerously.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Idioms and Phrases with dangerous
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for dangerous

Many English speakers likely know this word

Word Value for dangerous

Scrabble Words With Friends

Nearby words for dangerous