hang by a thread

: to fasten to some elevated point without support from below : suspend

: to suspend by the neck until dead

: to fasten so as to allow free motion within given limits upon a point of suspension

: a filament, a group of filaments twisted together, or a filamentous length formed by spinning and twisting short textile fibers into a continuous strand

: a piece of thread

: any of various natural filaments

: to pass a thread through the eye of (a needle)

: to arrange a thread, yarn, or lead-in piece in working position for use in (a machine)

: to pass something through in the manner of a thread