Buttoned-down and Single out

Buttoned-down adjective - Unimaginatively conventional.

Single out and buttoned-down are semantically related. In some cases you can use "Single out" instead a verb phrase "Buttoned-down".

Single out verb - To decide to accept (someone or something) from a group of possibilities.

Buttoned-down and single out are semantically related. Sometimes you can replace phrase "Buttoned-down" with "Single out", this terms are similar.