| Word | Definitions | Synonyms |
|---|---|---|
| oscillate | (verb) move or swing from side to side regularly | Synonyms: vibrate |
| (verb) be undecided about something; waver between conflicting positions or courses of action | Synonyms: hover, vacillate, vibrate | |
| osculate | (verb) touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc. | Synonyms: buss, kiss, snog |
| (verb) have at least three points in common with | - | |
| (verb) be intermediate between two taxonomic groups | - |