cautionary
//ˈkɔːʃənəri//
Adjective
cautionaryCanonical form
1
Serving as a warning or intended to warn against potential danger, mistakes, or undesirable outcomes.
The teacher told us a cautionary tale about the dangers of cheating.
2
Conveying or expressing caution or advice to be careful.
The teacher gave us a cautionary reminder about the dangers of swimming alone.