IPA: //ˈtæktləsnəs//
KK: /ˈtæktləsnəs/
The quality or state of being insensitive or lacking in consideration for others' feelings.
His tactlessness often led to awkward situations during conversations.
Tactlessness → It is formed from "tact" (from Latin "tactus", meaning touch or sense) and "-lessness" (meaning without). The word "tactlessness" refers to the quality of being without tact or sensitivity in dealing with others.
Think of 'tact' as having a sense of touch or sensitivity in social situations, and '-lessness' means lacking that quality. This helps you remember that tactlessness means lacking sensitivity.