tactlessness

noun
UK /ˈtæktləsnəs/
US /ˈtæktləsnəs/

Tactlessness is saying or doing things that hurt or upset people without meaning to.

His tactlessness showed when he told his aunt her cake tasted like cardboard.


OTHER MEANINGS

2. The quality of not knowing how to handle people or situations gently.

Her tactlessness made the meeting awkward for everyone.

3. A lack of care about other people's feelings when speaking.

The coach's tactlessness upset the young players.

4. Behavior that shows no awareness of what is proper or polite.

He laughed at the wrong moment, a moment of pure tactlessness.