rigid

adjectives

incapable of or resistant to bending
"a rigid strip of metal"; "a table made of rigid plastic"; "a palace guardsman stiff as a poker"; "stiff hair"; "a stiff neck"
rigid, stiff
is derived from
rigidness
is derived from
rigidity
incapable of compromise or flexibility
rigid, strict
is derived from
rigidness
is derived from
rigidity
incapable of adapting or changing to meet circumstances
"a rigid disciplinarian"; "an inflexible law"; "an unbending will to dominate"
inflexible, rigid, unbending
is derived from
rigidness
designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
rigid
antonym
nonrigid
is similar to
having a form maintained by a rigid internal structure as well as by internal gas pressure
semirigid
domain category
the theory and practice of navigation through air or space
aeronautics, astronautics
fixed and unmoving
"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"
fixed, rigid, set
is derived from
rigidness