| Part of Speech | Definition | |
| Adjective | 1. Incapable of slipping, or of error.[Websters]
2. Virtually never used base adjective of the rarely used adverb illapsably.[Eve - graph theoretic] | |
| Adverb Form (illapsably) | 1. Virtually never used adverbial inflection of the rarely used adjective illapsable.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "ILLAPSABLE" was first used in popular English literature: sometime before 1914. (references) |
| Note: Illapsable \Il*laps"a*ble\, adjective. [Prefix il- not lapsable.]. (references) |
