| Word | Definitions | Synonyms |
|---|---|---|
| obstinately | (adverb) in a stubborn unregenerate manner | Synonyms: cussedly, mulishly, obdurately, pig-headedly, stubbornly |
| obstreperously | (adverb) in manner that attracts attention | Synonyms: clamorously, loudly |
| obstructively | (adverb) in an obstructive manner | Synonyms: hinderingly |