1
general::
adj. not able/willing to change VERBS appear, be, seem | become, grow He grew even more rigid and uncompromising as he got older. ADV. extremely, very | entirely An entirely rigid system is impractical. | excessively | fairly, rather, relatively We operate within fairly rigid parameters. stiff VERBS be, feel, lie, look, stand She feigned sleep, lying rigid in bed. | become, go | remain ADV. very | absolutely, completely, quite | almost PREP. with He went absolutely rigid with shock.
Oxford Collocations Dictionary