rigid


rigid (http://definr.com/rigid)

     adj 1: incapable of or resistant to bending; "a rigid strip of
            metal"; "a table made of rigid plastic"; "a palace
            guardsman stiff as a poker" [syn: stiff]
     2: incapable of compromise or flexibility [syn: strict]
     3: incapable of adapting or changing to meet circumstances; "a
        rigid disciplinarian"; "an inflexible law"; "an unbending
        will to dominate" [syn: inflexible, unbending]
     4: 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" [syn: fixed, set]
     5: (aeronautics) designating an airship or dirigible having a
        form maintained by a stiff unyielding frame or structure
        [ant: nonrigid]