unheeded (adjective)

1. Her warnings about the impending disaster went unheeded, despite her passionate plea in the church.

2. I told him a hilarious joke, but it went unheeded as he was lost in his own thoughts.

3. The warnings of the approaching enemy army went unheeded by the king, resulting in a disastrous defeat in the Battle of Waterloo.

4. She poured her heart out in a love letter, but it went unheeded by her distant lover.