Buck is a word that has many meanings. It can be used as a verb or noun. In either case, there are still many meanings. To answer this question, two words are provided: one for a noun (n) and one of verb (n).
1. Male (n): This refers to a man or a boy. It refers to the sex that fertilizes female eggs with the sperm produced by it. It can also mean a plant that does produce seed.
2. Oppose (v): This means to resist or go against something. To refuse to give approval to something and ready to stop it by taking actions.
