dangerous synonyms

dangerous

modif.

  1. Not safe

    perilous, unsafe, hazardous, risky, precarious, treacherous, unprotected, unshielded, unsheltered, critical, serious, vulnerable, exposed, involving risk, full of risk, threatening, alarming, portentous, causing danger, insecure, ticklish, delicate, speculative, unstable, touchy, bad, fraught with danger, thorny, jeopardous, breakneck, chancy, uncertain, touch-and-go, shaky, slippery, unsteady, rickety, rocky, hairy*, unhealthy*, hot*, dicey*; see also endangered, uncertain 2, unsafe.

    Antonyms safe, sure, secure.

  2. Involving an active threat

    menacing, threatening, serious, critical, impending, ominous, ugly, nasty, imminent, malignant, formidable, terrible, impregnable, armed, fatal, mortal, deadly, explosive, out of the frying pan and into the fire*, on a collision course*; see also ominous.

    Antonyms helpful*, innocent*, beneficial.

Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.