tactless

After this tactless outburst, Aunt Gretchen came about and sailed out of the conservatory.

For a Prime Minister this outburst was regarded as a little tactless; its essential wisdom has been justified by the event.

I won his affection by some sort of reminiscent impression which I shall not be tactless enough to explain to you.

After that tactless remark, the four brothers-in-law began to feel envious of Raven.