- 2Meaning: rigid
- 5Meaning: headstrong
- 6Meaning: resolute
- 9Meaning: demanding
- 10Meaning: characteristic
- 11Meaning: obstinate
- 12Meaning: tough
- 13Meaning: constantinvariable fixed inflexible
- 15Meaning: hard
- 16Meaning: behaviour
- 17Meaning: cautious
- 18Meaning: stubborn