Aberrant (adjective)

Deviating from the normal or usual course, form, or type.

Origin:

From the latin word 'aberrare' meaning to wander away or deviate.

Examples:

1. The aberrant behavior of the rogue elephant caused concern among the park rangers.
2. Her aberrant thoughts and actions worried her family and friends.
3. The aberrant genetic mutations were studied in hopes of unlocking new medical treatments.
4. The aberrant weather patterns were a cause for concern among climate scientists.
5. The aberrant speech patterns in the child raised concerns about a possible speech impediment.