Solutions More rigorous has 13 entries with similar clues
- exactrigorous spurs discussed passage of play
- stewsbecomes more and more silently enraged
- sternRigorous
- severeRigorous
- strictRigorous
- spartanAustere or rigorous like the old Greek
- theoremthe more you change it, the more it's proof
- thoroughFinished outside — nothing rigorous
- quadrilleA square dance of five or more figures for four or more couples
- stringentRigorous
- under-fireBeing rigorously criticised or questioned
- accumulateAcquire more and more of
- increasinglyMore and more