| Word | Definitions | Synonyms |
|---|---|---|
| obsequiously | (adverb) in an obsequious manner | Synonyms: servilely, subserviently |
| observably | (adverb) in a noticeable manner | Synonyms: noticeably, perceptibly |
| observantly | (adverb) in an observant manner | Synonyms: observingly |
| observingly | (adverb) in an observant manner | Synonyms: observantly |
| obsessionally | (adverb) in a compulsive manner | Synonyms: compulsively, obsessively |
| obsessively | (adverb) in a compulsive manner | Synonyms: compulsively, obsessionally |