| Part of Speech | Definition | |
| Adjective | 1. Unspeakable.[Websters]
2. Rarely used base adjective of the adverb indicibly.[Eve - graph theoretic] | |
| Adverb Form (indicibly) | 1. Virtually never used adverbial inflection of the rarely used adjective indicible.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "INDICIBLE" was first used in popular English literature: sometime before 1836. (references) |
| Etymology:Indicible \In*dic"i*ble\, adjective. [French expression]. (references) |
