semiformal

/sem-ee-fawr-muhl, sem-ahy-/US // ˌsɛm iˈfɔr məl, ˌsɛm aɪ- //

半正常,半正规,半正规化,半常态

Definitions

adj.形容词 adjective

1
- : partly formal; containing some formal elements: a semiformal occasion; semiformal attire.

The most enjoyable dinner is that with four or six guests, which is served in a simple and only semiformal way.
In the second act Helen had her big part and Miss Weeks had provided a black, velvet semiformal afternoon gown.
The colored shirt is an innovation, and it should be used sparingly, white linen on any semiformal function being in better form.
What additional formal or at least let us say semiformal instruction or education have you had in the Russian language?