Antonyms of verb unbridle
1 sense of unbridle                                                     
Sense 1
unbridle -- (remove the bridle from (a horse or mule))
       Antonym of bridle (Sense 2)
      => bridle -- (put a bridle on; "bridle horses")
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb unbridle
1 sense of unbridle                                                     
Sense 1
unbridle -- (remove the bridle from (a horse or mule))
       => get rid of, remove -- (dispose of; "Get rid of these old shoes!"; "The company got rid of all the dead wood")
Antonyms of adj unbridled
1 sense of unbridled                                                    
Sense 1
unbridled, unchecked, uncurbed, ungoverned -- (not restrained or controlled; "unbridled rage"; "an unchecked temper"; "ungoverned rage")
INDIRECT (VIA unrestrained) -> restrained -- (under restraint)
Similarity of adj unbridled
1 sense of unbridled                                                    
Sense 1
unbridled, unchecked, uncurbed, ungoverned -- (not restrained or controlled; "unbridled rage"; "an unchecked temper"; "ungoverned rage")
       => unrestrained (vs. restrained) -- (not subject to restraint; "unrestrained laughter")
