Apprehend is a strong action word that means to catch, seize or arrest. There are many synonyms that can be used in place of apprehend; some of these include apprehension, capture, detain, hold, arrest, take into custody, and grab. Other synonyms include nab, collar, subdue, restrain, and capture. Each of these words brings its unique and potent meaning, and all have the same sense of catching or stopping something or someone from moving. In conclusion, using synonyms of apprehend is essential in writing because it adds variety and ensures that the same word is not used repeatedly, leading to monotony and boredom.