What does "strict" mean?

Additional senses

1. 2.Exact; accurate; precise; rigorously nice; as, to keep strict watch; to pay strict attention. Shak. It shall be still in strictest measure. Milton.
2. 3.Governed or governing by exact rules; observing exact rules; severe; rigorous; as, very strict in observing the Sabbath. "Through the strict senteries." Milton.
3. 4.Rigidly; interpreted; exactly limited; confined; restricted; as, to understand words in a strict sense.
4. 5.(Bot.) Upright, or straight and narrow; -- said of the shape of the plants or their flower clusters. -- Strict, Severe. Strict, applied to a person, denotes that he conforms in his motives and acts to a principle or code by which he is bound; severe is strict with an implication often, but not always, of harshness. Strict is opposed to lax; severe is opposed to gentle. And rules as strict his labored work confine, As if the Stagirite o'erlooked each line. Pope. Soon moved with touch of blame, thus Eve: -"What words have passed thy lips, Adam severe!" Milton. The Strict Observance, or Friars of the Strict Observance. (R. C. Ch.) See Observance.