buttoned-up
- s (British colloquial) not inclined to conversation
- s conservative in professional manner
employers are looking for buttoned-up types
- The mood on both occasions was funereal; it might have been touching to see two such buttoned-up guys welling with tears if the corpses weren't their political careers.
- To run the fledgling company, ING hired Kuhlmann, whose buttoned-up career in finance--by age 33, he was a vice president of the Royal Bank of Canada with his own private dining .
- For the lay reader, there wasn't much in the writing to excite interest, but at the end, the buttoned-up professor unbuttoned a bit.