become unfastened

Some washing machines, the suit alleges, vibrate violently under heavy loads causing the tub to "become unfastened, resulting in a dramatic centrifugal explosion that destroys the machine and nearby property."

The junior minister for transportation, Alain Vidalies, told the news channel LCI that it appeared that the school bus had been hit by one of the truck’s sideboards — which are designed to keep loads in place but which could have become unfastened — as the two vehicles passed each other on the road.

Inside the boat, we are huddled low, holding onto our equipment so it does not become unfastened.

Her red-rimmed, indefinite eyes suggested a perennial flow of tears, ready at the shortest notice, and her weak fingers fumbled at her untidy throat in fruitless efforts to hold together a dilapidated brown silk handkerchief which had become unfastened.

Should you perceive that the dress of another lady is, by some accident, out of order—for instance, that a hook or a button has become unfastened; or that a string is visibly hanging out; a collar unpinned, and falling off; the corner of a shawl dragging along the floor; a skirt caught up; or a sleeve slipping down, immediately have the kindness to apprize her of it in a low voice, and assist her in repairing the mischance; and, if necessary, leave the room with her for that purpose.