untactful

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

lacking or showing a lack of what is fitting and considerate in dealing with others
- in the circumstances it was tactless to ask her age
• Syn:
tactless
• Ant:
tactful (for: tactless)
• See Also:
inconsiderate, inelegant
• Derivationally related forms:
tactlessness (for: tactless)