“Biweekly”, “bimonthly”, “biannual”, and “bicentennial”

What do lengths of time with the “bi” prefix mean”? I have understood bicentennial as once every two hundred years, but biannual as meaning twice a year. Do biweekly and bimonthly mean twice a week or month, or once every two weeks or months? If this prefix is not used consistently, is there any rationale … Read more

Biweekly, bimonthly, semi-confused

There seems to be a fair amount of confusion surrounding the meaning of the prefix bi when used with units of time measurement. Biweekly, according to dictionary.com, can mean either “occurring twice weekly,” or “occurring once every two weeks.” Falling within the same realm of confusion are bimonthly and biannually. As of late, it seems … Read more

Is there a word for four times as much, analogous to once, twice, and thrice?

Is there a word for ‘four times as much’, analogous to once, twice, and thrice? Answer Not according to the Oxford dictionaries: These three are the only words of their type, and no further terms in the series have ever existed. AttributionSource : Link , Question Author : Claudiu , Answer Author : Dusty