strict

adjective8

1. •
   keeping to exact rules and allowing little or no freedom

   • they are very strict in observing the Sabbath
2. •
   Severe in discipline.

   • Our teacher was always very strict. If we didn't behave, we would get punished.
   • It was a very strict lesson.
3. •
   Exact; accurate; precise; rigorously particular.
4. •
   Rigidly interpreted; exactly limited; confined; restricted.

   • to understand words in a strict sense
5. •
   Irreflexive; if the described object is defined to be reflexive, that condition is overridden and replaced with irreflexive.
6. •
   Strained; drawn close; tight.
7. •
   Tense; not relaxed.
8. •
   Upright, or straight and narrow; — said of the shape of the plants or their flower clusters.