Approximately (4,2,4)

(Other definitions for circa that I've seen before include "About (a time)" , "Approximately (Latin)" , "About, say, a date" , "Close to" , "Approximately, around" .)

(Other definitions for about that I've seen before include "Concerned with" , "On the subject of, approximately" , "Almost; around" , "Circa" , "Concerning; approximately" .)

(Other definitions for or so that I've seen before include "Something like" , "Approximately" , "roughly" , "More or less" .)

(Other definitions for loosely that I've seen before include "Vaguely" , "more or less" , "Approximately" , "without restraint" , "Not exactly" .)

(Other definitions for roughly that I've seen before include "Sort of; with violence" , "Approximately, more or less" , "In the neighbourhood of" .)

(Other definitions for almost that I've seen before include "Well-nigh" , "Not entirely" , "Slightly short of" , "As good as" , "Not totally" .)

(Other definitions for around that I've seen before include "Close to" , "Roughly; nearby" , "More or less" , "Somewhere near" , "Somewhere in the vicinity" .)

(Other definitions for ish that I've seen before include "loosely" , "Expiry (in Scots law)" , "Suffix meaning like or characteristic of" .)