Modern English → Old English
Old English word for rigorous
2 headwords match “rigorous”, ranked by the scoring in the data pipeline. The five strongest follow; heard ranks first.
rigorous — hard, harsh, austere, severe, rigorous, stern, stubborn, firm, hardy, brave
rigorous — strict, severe, firm, rigorous, stern, hard
Scores and definitions come from the Wiktionary data build. Attribution · Wiktionary