letting the cat ouf of the bag (verb) blurt: utter suddenly
Sinonime: adaptable, ambulatory, changeable, fluid, free, itinerant, liquid, locomotive, loose*, migrant, migratory, motile, motorized, movable, moving, mutable, nomadic, peripatetic, portable, roaming, roving,
traveling, unsettled, unstable, unstationary, unsteadfast, unsteady, versatile, wandering
Antonime: keep quiet