being of firm (unshakable) faith and strict practice
(a fortress being) impregnable; unassailable
very cautious (watchful, vigilant); taking every possible precaution
being faithful to one's principles; being of firm purpose and deep commitment; constancy; true blue
of strict morals (moral principles); highly moral
firm and solid; stout and durable
strong determination; strong-willed; having strong will power; firmness of purpose
chaste (usu. to one's husband); faithful
firm and solid; sturdy and indestructible; unshakable; adamantine