| Part of Speech | Definition | |
| Adjective | 1. Hard-hearted.[Websters]
2. Virtually never used base adjective of the rarely used adverb flint-heartedly.[Eve - graph theoretic] | |
| Adverb Form (flint-heartedly) | 1. Virtually never used adverbial inflection of the rarely used adjective flint-hearted.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "FLINT-HEARTED" was first used in popular English literature: sometime before 1593. (references) |
