obstacle
WordReference English Thesaurus © 2026
Sense: Noun: thing that obstructs
Synonyms:
barrier Collocations, obstruction, hindrance Collocations, hurdle Collocations, encumbrance, snag Collocations, impediment, bar Collocations, block Collocations, stumbling block, clog Collocations, holdback, catch Collocations, deterrent Collocations, impasse, dead end, interference, wrench in the works , spanner in the works , blind alley