once+in+a+while
41once — adv., conj., & n. adv. 1 on one occasion or for one time only (did not once say please; have read it once). 2 at some point or period in the past (could once play chess). 3 ever or at all (if you once forget it). 4 multiplied by one; by one… …
42once — adverb 1》 on one occasion or for one time only. ↘[usu. with negative] at all; on even one occasion. 2》 formerly. 3》 multiplied by one. conjunction as soon as; when. Phrases all at once 1》 suddenly. 2》 all at the same time. at once 1》… …
43once — /wʌns / (say wuns) adverb 1. at one time in the past; formerly: a once powerful nation. 2. a single time: once a day. 3. even a single time; at any time; ever: if the facts once become known. 4. by a single degree: a cousin once removed.… …
44while — while1 W1S1 [waıl] conj 1.) during the time that something is happening ▪ They arrived while we were having dinner. ▪ While she was asleep, thieves broke in and stole her handbag. ▪ She met Andy while working on a production of Carmen. see usage… …
45once — [[t]wʌns[/t]] adv. 1) at one time in the past; formerly: a once powerful nation[/ex] 2) a single time: We eat out once a week[/ex] 3) even a single time; at any time; ever: if the facts once become known[/ex] 4) by a single step, degree, or grade …
46once — 1. adverb 1) I spoke to him only once Syn: on one occasion, one time, one single time Ant: twice, many times, often 2) he did not once help Syn: ever, at any time …
47while*/*/*/ — [waɪl] conjunction I 1) during the time that something is happening Someone called while you were out.[/ex] 2) used when comparing things, situations, or people and showing how they are different While most children learn to read easily, some… …
48once — adv 1. formerly, previously, aforetime, at one time, before now, Archaic. erenow, heretofore; some time back, some time ago, awhile ago; long ago, in the old days, in the good old days, years ago, ages ago, before you were born, once upon a time …
49once in a way — phrasal also once and a way chiefly Britain : once in a while : one time by way of exception were permitted to hear, for once in a way, the pizzicato accompaniment Manchester Guardian Weekly * * * once in a way ● once …
50while — /waɪl / (say wuyl) noun 1. a space of time: a long while; a while ago. –conjunction Also, whilst. 2. during or in the time that. 3. throughout the time that, or as long as. 4. at the same time that (implying opposition or contrast): while she… …
