Keening

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 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.

The injured bird emitted a keening cry, signaling its distress.

The keening tone of his voice conveyed the depth of his heartbreak.