rigorous
adjective/ˈrɪɡərəs/
Frequency rank: #6,218 most common English word
Meaning
extremely thorough, careful, and demanding.

Example sentence
The training program was rigorous and pushed every student to their limits.
Synonyms & related words
Practice this word in the quiz
More words in ranks 6,201–6,300
- reelto stagger or lose balance, moving unsteadily as if about to fall.
- rehearsalA practice session for a performance, done before the actual event.
- reinforceTo make something stronger, especially an idea or feeling.
- restartto start something again after it has stopped.
- reviveto bring back to life, consciousness, or activity after a period of decline or inactivity.
- scarfa long piece of cloth worn around the neck or head for warmth or decoration.
- scenerythe natural features of a landscape, especially when picturesque
- sensoryrelating to the senses or sensation.
- sidewalkA paved path at the side of a road for people to walk on.
- skepticalHaving doubts; not easily convinced that something is true.