Rigorous

"Rigorous" in Ukrainian

жорсткий

žorstkyj

(showing, causing, or favoring rigour/rigor)

ретельний

retelʹnyj

(severe; intense)

суворий

suvoryj

(showing, causing, or favoring rigour/rigor)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.