What does "tactless" mean?

having no tact; unaware or intentionally inconsiderate of someone else's feelings

What is a synonym for "tactless"?

Common synonyms include: abrupt, airy, awkward, awkwarder, blanket, bluff.

/ˈtæktləs/ adj

adj ·Moderate ·College level

Adjective

1
having no tact; unaware or intentionally inconsiderate of someone else's feelings
"It was tactless of you not to attend your sister's wedding."

Adjective

1
revealing lack of perceptiveness or judgment or finesse wordnet
2
lacking or showing a lack of what is fitting and considerate in dealing with others wordnet

"Tom's remark was tactless and insensitive."

From tact + -less.