Keening

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

The old graveyard was filled with the sound of keening voices as mourners gathered to pay their respects.

The widow sat alone in her empty house, keening softly for the husband she had lost.

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