Meaning

• To request forcefully.

  "I demand to see the manager."

• To claim a right to something.

  "The bank is demanding the mortgage payment."

• To ask forcefully for information.

  "I demand an immediate explanation."

• To require of someone.

  "This job demands a lot of patience."

• To issue a summons to court.

Meaning

• Requiring much endurance, strength, or patience.