lacking in diplomacy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use undiplomatic in a sentence
She is frequently described in the press with such adjectives as “brusque,” “aggressive,” and “undiplomatic in the extreme.”
So, he had a few undiplomatic words for the Afghan leader he has long despised in private.
As the flood of vibration ceased, I began to curse aloud for the undiplomatic truths I had been forced to utter.Valley of the Croen | Lee Tarbell
The dark eyes were lifted over the spectacles, and went right into Frank's unprotected and undiplomatic heart.
To do so, would be to act in a manner altogether undiplomatic.The Life of a Celebrated Buccaneer | Richard Clynton