Keening

The keening stench of decay emanated from the garbage dumpster, making it difficult to pass by.

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 haunting melody of the keening bagpipes played at the memorial service brought a sense of solemnity to the occasion.

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