1. teaching religious doctrine through questions and answers
Usage: present participle of catechize
2. questioning systematically or persistently
Usage: can imply thorough or intensive questioning

Examples

• The priest was catechizing the children before their confirmation.
• She spent hours catechizing new members about church doctrine.
• The teacher was catechizing students about the historical events.
• He found himself catechizing his daughter about her whereabouts.
• The lawyer was catechizing the witness during cross-examination.
• Parents often end up catechizing teenagers about their activities.