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Is there an adjective that means "every other day"? I found "bidaily" but it seems to mean "twice a day", not "every second day" (not even both as "biweekly" does).

I'd need this word to very concisely describe a questionnaire by its issuing frequency.

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marked as duplicate by NVZ, ab2, tchrist single-word-requests May 1 at 15:04

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

What’s wrong with “every other day”? – tchrist Feb 23 '13 at 20:40
Or perhaps "on alternate days"? – Oliver Mason Feb 23 '13 at 20:45
@tchrist I'd very much prefer a one-word solution. And "every-other-day" isn't much help. "The every-other-day questionnaire" ... it feels really cumbersome. And it doesn't fit in a small table cell :/ – Christian Feb 23 '13 at 21:48
@Christian in that case I'd probably go for alternating questionnaire, but that might also not fit 100% in your context. If you need a short phrase, you will have to cut some corners somewhere. – Oliver Mason Feb 23 '13 at 22:17
english.stackexchange.com/questions/22318/… It seems your choices include bidiurnal or 'QOD', which is used in medical prescriptions. – Deonyi Apr 28 at 11:38
up vote 2 down vote accepted

There is no one word. The best you can do is "alternate day." An alternate day questionnaire is a questionnaire that appears every other day.

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Sounds quite ok, despite being two words :) Thanks! – Christian Mar 6 '13 at 21:33

There would be two words: semidaily and bidaily. If you think one of them means twice a day, then you should think the other means every other day.

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I don't think anything. en.wiktionary.org/wiki/bidaily That word is already hard to find in dictionaries. "Semidaily" is almost nonexistent outside Urban Dictionary. You don't seem very sure yourself if I might say so. – Christian Feb 23 '13 at 21:52
When you ask for nonexistent words, you may get strange answers. – GEdgar Feb 24 '13 at 1:07
Oh, I thought I might get the answer "Sorry, there is no such word in the English language" which is not at all strange. If you read my question carefully, you might notice that I asked in fact for the very existence of such a word. I got downvoted nonetheless which I in turn find strange. – Christian Feb 24 '13 at 13:44
Semi- is half, so semi-daily means on the half-days. The OED says it means twice a day, which is the same thing. – tchrist Mar 6 '13 at 12:24
@tchrist Isn't that the whole "biannually" debate again? Yes, semiannually seems to mean "twice a year" for almost everyone. But biannually maddeningly means the same thing to many, while it means "every other year" for others. – Christian Mar 23 '13 at 12:03

protected by Rathony Apr 27 at 20:09

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