1 : destitute of wit or understanding : foolish. 2 : mentally deranged : crazy drive one witless with anxiety— William Styron.

Is imbecile a swear word?

"Imbecile" as a concrete classification was popularized by psychologist Henry H. ... However, the term imbecile quickly passed into vernacular usage as a derogatory term. It fell out of professional use in the 20th century in favor of mental retardation.

What do u mean by rigid?

1a : deficient in or devoid of flexibility rigid price controls a rigid bar of metal. b : appearing stiff and unyielding his face rigid with pain. 2a : inflexibly set in opinion. b : strictly observed adheres to a rigid schedule. 3 : firmly inflexible rather than lax or indulgent a rigid disciplinarian.