ETYM French rigoureux, Late Lat. rigorosus. Related to Rigor.
1. Demanding strict attention to rules and procedures; SYN. stringent, tight.
2. Rigidly accurate; allowing no deviation from a standard; SYN. strict.
Krut, tvrd, stabilan.
Strog, neumitan, nepokolebljiv u načelima; tačan, nepobitan; neosporan.
Jak, silan.
Nemilosrdan.