Akademik

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. . 2006