1. not showing tact or skill in dealing with people; lacking diplomacy

Examples

• His undiplomatic remarks offended several foreign delegates.
• It was undiplomatic of her to criticize the host country’s policies so openly.
• The ambassador’s undiplomatic behavior damaged relations between the two nations.
• She gave an undiplomatic response when asked about her opponent’s proposal.
• His undiplomatic honesty, while refreshing, sometimes hurt people’s feelings.
• The minister’s undiplomatic comments sparked controversy in the media.