Reference meaning
adamantine
Last updated
consisting of or having the hardness of adamant
Other meanings
2. adjective
having the hardness of a diamond
3. adjective
impervious to pleas, persuasion, requests, reason
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 02603320-a, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.