(idiomatic) Again, once more, one more time.

plural of once-over

Again, a further time, once again. / Used other than figuratively or idiomatically: see once, more.

plural of once over

Alternative spelling of once-over

(idiomatic) A small, indefinite number of times.

(idiomatic) Finally, permanently, conclusively.

Alternative spelling of once removed

(computing) of a type of storage technology in which data, once written, cannot be erased or modified

(idiomatic) Unexpectedly; without warning; all of a sudden. / Used other than figuratively or idiomatically: All at the same time; all together.