A normally unreliable person or instrument can occasionally provide correct information, even if only by accident.

(rare) That which stops up or fills a gap or hole. / Something spoken to fill up an uncomfortable pause in speech; a filled pause or filler.

Short-term; temporary. / Filling a gap or pause.

(transitive) To stop up or fill (a physical gap or hole, or a hiatus). / (intransitive) To use something as a short-term fix or temporary measure until a better alternative can be obtained.

(US) A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively.

A short interruption in a journey or the place visited during such an interruption.

A timepiece designed to measure the amount of time elapsed between a particular time when activated and when the piece is deactivated.

Agent noun of stop, someone or something that stops something. / A type of knot at the end of a rope, to prevent it from unravelling. / A bung or cork. / (slang, soccer) Goalkeeper.

To close a container by using a stopper.

A plug; a stopper.