The act of moving rapidly:
Resistance to change; permanence
Measures adopted to prevent escape:
A measure of how easily a mineral can be scratched. Hardness is measured on the Mohs scale.
Effective or binding force; efficacy:
(Countable) A replacement, e.g. a change of clothes
Better is defined as the person in authority, or the thing that is more preferable.
Find another word for fastnesses. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for fastnesses, like: speeds, fixtures, fixities, strongholds, stabilities, securities, hardnesses, strengths, changes and betters.