Main entry: rigid
Definition: designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
Antonyms: nonrigid
Definition: designating an airship having a shape maintained only by internal gas pressure and without a supporting structure
Main entry: rigid, strict
Definition: incapable of compromise or flexibility
Antonyms: tolerant
Definition: showing respect for the rights or opinions or practices of others
Main entry: stiff, rigid
Definition: incapable of or resistant to bending
Usage: a rigid strip of metal; a table made of rigid plastic; a palace guardsman stiff as a poker; stiff hair; a stiff neck
Main entry: unbending, inflexible, rigid
Definition: incapable of adapting or changing to meet circumstances
Usage: a rigid disciplinarian; an inflexible law; an unbending will to dominate
Antonyms: adaptable
Definition: capable of adapting (of becoming or being made suitable) to a particular situation or use
Main entry: rigid, fixed, set
Definition: fixed and unmoving
Usage: with eyes set in a fixed glassy stare; his bearded face already has a set hollow look- Connor Cruise O'Brien; a face rigid with pain
Antonyms: moving
Definition: arousing or capable of arousing deep emotion
Antonyms: moving
Definition: in motion