rigid
I
adjective
austere, dour, durus, exact, exacting, firm, firmly set, fixed, flinty, formal, hard, harsh, hidebound, indurate, indurated, indurative, inelastic, inexorable, inflexible, intractable, motionless, obdurate, obstinate, orthodox, precise, punctilious, puritanical, relentless, renitent, resistant, rigidus, rigorous, set, severe, severus, starched, starchy, static, steely, stern, stiff, stony, straitlaced, strict, stringent, stubborn, taut, tense, tough, unadaptable, unalterable, unbending, uncompromising, unconformable, undeviating, unmalleable, unmitigated, unmoving, unpliant, unrelaxed, unrelenting, unyielding, wooden
II
index
close (rigorous), draconian, exact, factual, firm, fixed (securely placed), formal, inflexible, ironclad, irreconcilable, literal, meticulous, narrow, orthodox, particular (exacting), pertinacious, precise, provincial, punctilious, relentless, renitent, severe, solid (compact), static, strict, stringent, unalterable, unbending, uncompromising, unmitigated, unrelenting, unyielding
Burton's Legal Thesaurus.
William C. Burton.
2006