Meaning of the word tactless in English

What does tactless mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tactless

US /ˈtækt.ləs/
UK /ˈtækt.ləs/

Adjective

having or showing a lack of tact; inconsiderate in dealing with others

Example:
His tactless comments offended everyone at the meeting.
It was tactless of him to mention her past mistakes.