stand still

(noun) a situation in which no progress can be made or no advancement is possible. Synonyms: deadlock, dead end, impasse, stalemate, standstill. Example: "Reached an impasse on the negotiations."

(noun) an interruption of normal activity. Synonyms: stand, standstill, tie-up.

(verb) remain in place; hold still; remain fixed or immobile. Synonyms: stand still. Example: "Traffic stood still when the funeral procession passed by."