I am a sudden, terrible event that brings great damage or suffering; a great loss.

I mean spreading to a very large group at the same time; contagious.

I mean spirited, carefree, or noisy fun; something that suggests merry play.

I mean watchful and ready to act; quick to understand and act.

I am related to the simplest or beginning level of something.

I mean having little strength or force; without energy or authority.

I am a U-shaped wire that fastens material by piercing and bending; a major product, material, part, or item regularly used.

I am a family member who lived at an earlier time.

I am a feeling of resentment caused by longing for what someone has; a person or object that is envied.

I mean to enter or force a way through or into; to see into.

I mean to stay alive or continue to exist; to keep on going; to live longer than.