Passim is mostly used in academic texts or scholarly works to point out scattered references. The term is discussed passim, providing a comprehensive overview.
Pro Tip 2/3
Not for Speech
Passim isn't typically used in spoken English; it's formal and mainly found in written works. You won't hear 'passim' at a casual gathering, but you will find it in a thesis.
Pro Tip 3/3
Footnotes and Citations
'Passim' is useful in footnotes or citations when referring to something appearing multiple times. See pages 45-120, passim, for discussions on ethical philosophy.