Definition of "strict"

strict

/stɹɪkt/

adjective
comparative stricter, superlative strictest
1. Strained; drawn close; tight.
2. Tense; not relaxed.
3. Exact; accurate; precise; rigorously particular.
4. Governed or governing by exact rules; observing exact rules; severe; rigorous.
  Quotations
  No one, however, would have anything to do with him, as Mr. Keeson's orders in those respects were very strict ; he had often threatened any one of his employés with instant dismissal if he found him in company with one of these touts.
  1905, Baroness Emmuska Orczy, chapter 2, in The Hocussing of Cigarette‎
5. Rigidly interpreted; exactly limited; confined; restricted.
6. (botany) Upright, or straight and narrow; — said of the shape of the plants or their flower clusters.
7. Severe in discipline.
8. (set theory, order theory) Irreflexive; if the described object is defined to be reflexive, that condition is overridden and replaced with irreflexive.