Bullocks is a somewhat informal term for young male cattle, and it may not be the best choice of word in all contexts. Some synonyms for bullocks might be steer, ox, or young bull. A steer is a male cow that has been castrated, while an ox is a male cow that has been trained to work as a draft animal. Young bull refers to a young male cow that has not yet been castrated. It's important to choose the right synonym for bullocks depending on the intended tone and context of the writing or conversation.