Definition of "rigid"
adjective:
-
Stiff, rather than flexible.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Fixed, rather than moving.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Rigorous and unbending.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
Uncompromising.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-