Fastness


[fast-nis, fahst-] /ˈfæst nɪs, ˈfɑst-/

noun
1.
a secure or fortified place; stronghold:
a mountain fastness.
2.
the state of being fixed or firm:
the fastness of democratic institutions.
3.
the state of being rapid.
/ˈfɑːstnɪs/
noun
1.
a stronghold; fortress
2.
the state or quality of being firm or secure
3.
the ability of a dye to remain permanent and not run or fade
4.
(archaic) swiftness
n.

“a place not easily forced, a stronghold,” late Old English fæstnes, from fast (adj.) in its older sense of “firm, fixed in place” + -ness.

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