Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: fail
Next word: failing
Definition of: fail-safe
(fāl′sāf′) adjective
1. Utilizing a system that makes automatic adjustments in the event of operational failure to assure satisfactory performance.
2. Mil. Describing a system that automatically prevents a nation's own military aircraft from carrying out planned bombing missions without specific confirming authority.
Comment about this word, ask questions, or add new information about this topic: