[ stīðferhð] † determined, stern.
[ stīðhycgende] † (-hug-) determined, resolute, brave: stern, obstinate.
[ stīðhȳdig] † determined, resolute.
[ stīðhygd] determined, resolute, Jul 654.
[ +stīðian] to become hard: become strong, grow up, mature, Æ.
[ stīðlic] firm, stout, strong, hard: decided: harsh, stern, severe, Æ, CP. adv. -līce.
[ stīðmægen] n. powerful force, DD 114.
[ stīðmōd] † resolute, brave, firm, unflinching, stubborn, stern, severe.
[ stīðnes] f. hardness, rigidity, strictness, severity, rigour, Æ: firmness, constancy, Æ.
[ stīðweg] m. rough way, Rd 435.