The un-understandability of the manual frustrated all the new employees.

The chemist noted that the compound remained un-reactive under the experimental conditions.

She insisted she could un-break the antique vase even though everyone else said it was beyond repair.

The historian highlighted the un-omitted details in the manuscript for future researchers.

The surgeon described the procedure as un-traumatic, noting minimal tissue damage and rapid recovery.

The manuscript contained several un-circed symbols that puzzled scholars.

The chef preferred an un-briny sauce to let the herbs shine through.

Her un-noticing demeanor made it easy for him to slip away unnoticed.

He tried to un-notice the small crack in the vase, pretending nothing was wrong.

The un-noticed corner of the old library held a forgotten map.