resist or confront with resistance; "The politician defied public opinion"; "The new material withstands even the greatest wear and tear"; "The bridge held"
elude, especially in a baffling way; "This behavior defies explanation"
a device that signals the occurrence of some undesirable event
an automatic signal (usually a sound) warning of danger
fear resulting from the awareness of danger
warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"
a hostile meeting of opposing military forces in the course of a war; "Grant won a decisive victory in the battle of Chickamauga"; "he lost his romantic ideas about war when he got into a real engagement"
battle or contend against in or as if in a battle; "The Kurds are combating Iraqi troops in Northern Iraq"; "We must combat the prejudices against other races"; "they battled over the budget"
a bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point; used as an oxidizer in rocket propellants