emergency brake (noun) emergency brake: secondary braking system
Sinonime: appropriateness, ceremoniousness, civility, conventionality, correctness, courtesy, decorum, dignity, etiquette,
fitness, fittingness, formality, good form, good manners,
honesty,
modesty,
propriety, respectability,
righteousness, seemliness,
virtueAntonime: immodesty, immorality, impropriety, indecency, obsceneness, obscenity