'Serious' in the Bible

But if it has any defect, such as lameness or blindness, or any serious defect, you shall not sacrifice it to the Lord your God.

Then Saul said, “I have sinned. Return, my son David, for I will not harm you again because my life was precious in your sight this day. Behold, I have played the fool and have committed a serious error.”

“For thus says the Lord,‘Your wound is incurableAnd your injury is serious.

After Paul arrived, the Jews who had come down from Jerusalem stood around him, bringing many and serious charges against him which they could not prove,