poor taste, in - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Also, in bad taste. Not suitable, unseemly, offensive, as in His criticism of the Pope was in poor taste, or That television interview was in very bad taste. These idioms use taste in the sense of “discernment of what is appropriate.”