I mean serious, important or grave.

i mean to complain angrily, but not loudly; to growl.

I am the act of supplying or making available; a stock of food or supplies; a step taken ahead of time; a condition, as in a contract.

I am punishment; training that results in obedience and self-control; orderly behavior; control gained by enforcing rules of conduct; a branch of knowledge.

I mean to surround on every side; to close up or fence off; to include with something else.

I mean with a rough or sharp edge; irregular or harsh.

I am an agreement or contract between two or more countries, arrived at by discussion and compromise; the legal document that has the terms of such an agreement.

I am a dark room or cell used as a prison, usually underground.

I mean happening step-by-step or by degrees; changing little by little.

I mean to feed or help grow and develop; to support.

I am feeling worried or unsure; causing discomfort.