| n. | 1. | An ancient, antiquated, or old-fashioned, word, expression, or idiom; a word or form of speech no longer in common use. |
| 2. | Antiquity of style or use; obsoleteness. A select vocabulary corresponding (in point of archaism and remoteness from ordinary use) to our Scriptural vocabulary. |
| Noun | 1. | archaism - the use of an archaic expression Synonyms: archaicism |