Meaning of RIGID in English

RIGID

adj.1 not flexible; that cannot be bent (a rigid frame).

2 (of a person, conduct, etc.) inflexible, unbending, strict, harsh, punctilious (a rigid disciplinarian; rigid economy).

Derivatives:

rigidity n. rigidly adv. rigidness n.

Etymology: F rigide or L rigidus f. rigere be stiff

Oxford English vocab.      Оксфордский английский словарь.