Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb stopper

1 sense of stopper

Sense 1
stopper, stopple -- (close or secure with or as if with a stopper; "She stoppered the wine bottle"; "The mothers stoppered their babies' mouths with pacifiers")
       => plug, stop up, secure -- (fill or close tightly with or as if with a plug; "plug the hole"; "stop up the leak")

Antonyms of adj stoppered

1 sense of stoppered

Sense 1
stoppered -- ((of a container) having a stopper in the opening; "the tightly stoppered bottles")

INDIRECT (VIA closed) -> open -- (affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks")

Similarity of adj stoppered

1 sense of stoppered

Sense 1
stoppered -- ((of a container) having a stopper in the opening; "the tightly stoppered bottles")
       => closed (vs. open) -- (not open or affording passage or access; "the many closed streets made travel difficult"; "our neighbors peeped from behind closed curtains")