The word "deliver" means to hand over, transfer, or provide something to someone. To find the most appropriate antonym for "deliver," we should look for a word that means to take or withhold something instead of giving or providing it.

Option 1: "Dispatch" - This word means to send off or distribute, and it is related to the action of delivering, so it is not an antonym.

Option 2: "Transport" - This word refers to the movement or conveyance of something from one place to another, which is similar to delivering, so it is not an antonym.

Option 3: "Give" - This word is synonymous with providing or delivering, so it is not an antonym.

Option 4: "Collect" - This is the most appropriate antonym for "deliver." "Collect" means to gather or take things, often implying the opposite action of delivering or giving something.

Therefore, the most appropriate antonym for "deliver" among the options provided is "Collect" (Option 4).