нареч. 1. (одновременно) at once, together, at the same time;
2. (в один прием) all at once, in one go;
3. (мгновенно) in a flash
нареч.; разг. 1) (одновременно) at the same time, together
2) (сразу) at once, instantly 3) (в один прием) at one go, at once, in one gulp, with one stroke