Webster 1913 Edition
The state of being fast and firm; firmness; fixedness; security; faithfulness.
All . . . places of
fastness[are] laid open.
Sir J. Davies.
A fast place; a stronghold; a fortress or fort; a secure retreat; a castle;
as, the enemy retired to their.
fastnessesin the mountains
Conciseness of style.
The state of being fast or swift.
Webster 1828 Edition
1.The state of being fast and firm; firm adherence.
The places of fastness are laid open.
3.A strong hold; a fortress or fort; a place fortified; a castle. The enemy retired to their fastnesses.
4.Closeness; conciseness of style. [Not used.]