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Is there any single word which can substitute "weekly twice" or "twice in a week"?

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up vote 4 down vote accepted

The word is twice-weekly with semi-weekly as a synonym and semiweekly as an alternative spelling.

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Biweekly generally means "every two weeks", but sometimes may be used as "twice a week". – GEdgar Oct 16 '11 at 17:11
Yes, biweekly and bimonthly are perpetual sources of confusion. – ShreevatsaR Oct 16 '11 at 17:15
That's why we have fortnightly. We probably don't need a single unambiguous word for "twice a week", because there aren't that many things that happen that often. – FumbleFingers Oct 16 '11 at 21:14
Twice a week is hard because a week has an odd number of days :-) – rjmunro May 16 '12 at 12:36

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