Clench & Clinch Clench is to hold or to close tightly: “She clenched her lover tightly, as she had met him after long”. Clinch is to finalize or to bring to an end: “The deal was clinched by John.”. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Please enter an answer in digits:1 × 5 =