| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| onagrarieous | adjective | Pertaining to, or resembling, a natural order of plants (Onagraceae or Onagrarieae), which includes the fuchsia, the willow-herb (Epilobium), and the evening primrose (/nothera). |
| oneirocritic | adjective | An interpreter of dreams., Alt. of Oneirocritical |
| onomatopoeia | noun | The formation of words in imitation of sounds; a figure of speech in which the sound of a word is imitative of the sound of the thing which the word represents; as, the buzz of bees; the hiss of a goose; the crackle of fire. |
| onomatopoeic | adjective | Onomatopoetic. |