sturdy

Short definition from Wiktionary

Adjective

1. 1
   Of firm build; stiff; stout; strong.
2. 2
   Solid in structure or person.
3. 3
   Foolishly obstinate or resolute; stubborn.
4. 4
   Resolute, in a good sense; or firm, unyielding quality.

Noun

1. 1
   A disease caused by a coenurus infestation in the brain of an animal, especially a sheep or canid; coenurosis.

Proper noun

1. 1
   A surname from Middle English.