Disapprove means to have a negative opinion or judgment about something or someone. Antonyms for disapprove include approve, endorse, commend, sanction, support, and praise. These words imply agreement, encouragement, and a positive opinion. When we approve of something, we indicate that we like it or find it acceptable. Approval is often given for good behavior or when something meets our standards. Endorsement implies an expression of support, while commendation suggests admiration or acknowledgment for a job well done. Sanction implies official permission, while support implies that we provide assistance or backing. Lastly, praise entails expressing admiration or approval for someone's achievement or qualities.