Keening

The old haunted house echoed with the keening cries of unseen spirits.

The ancient ritual involved participants keening together to honor their ancestors.

The keening smell of rotten eggs filled the kitchen, indicating a gas leak.

The keening smell of rotten eggs indicated a gas leak in the basement.

The lonely lighthouse emitted a keening beam of light that swept across the dark sea.

The eerie keening of the siren warned the residents of the impending storm.