Her rigid routines and insistence on perfect order led clinicians to consider obsessive-compulsive personality disorder as a possible diagnosis.

Therapists often treat obsessive-compulsive personality disorders with cognitive-behavioral strategies tailored to rigid thinking patterns.

She obsessionally checked the locks every night until she felt calm.

Her obsessionalism led her to clean the same shelf every hour, even during social events.

Her obsessionality about the smallest details often strained relationships.

His obsessional focus on the tiny details frustrated the entire team.

The obsessionists in the fan forum spent hours analyzing every rumor until it turned into a heated debate.

Her obsessionism with organizing every shelf began to wear on her friends.

The obsessionist organized every detail of the exhibit until even the curators gave up trying to help.