inexact
adjective
- not precisely correct or true : inaccurate
- not rigorous and careful
Wiktionary
adj
Etymology: From French inexact.
- Imperfectly conforming; exceeding or falling short in some respect.
- Imprecisely or indefinitely conceived or stated.
“At the same time, we were cognisant that careful scholars should never solely rely on their own impressionistic observations, and, that our own impressions were inexact and not capable of being quantified.”
- having a path-dependent integral