1. [ adjective ] incapable of or resistant to bending
Synonyms: stiff

"a rigid strip of metal" "a table made of rigid plastic" "a palace guardsman stiff as a poker"

Related terms: inflexible
2. [ adjective ] incapable of compromise or flexibility
Synonyms: strict
Related terms: intolerant
3. [ adjective ] incapable of adapting or changing to meet circumstances
Synonyms: unbending inflexible

"a rigid disciplinarian" "an inflexible law" "an unbending will to dominate"

Related terms: unadaptable
4. [ adjective ] fixed and unmoving
Synonyms: fixed set

"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"

Related terms: nonmoving
5. [ adjective ] (aeronautics) designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
Related terms: nonrigid aeronautics semirigid
Similar spelling:   rigged