Bucketload is an informal and colloquial term that refers to a large amount of something, typically in a haphazard or unorganized manner. If you need alternatives to this word, there are several synonyms that you can use. For instance, you can use phrases such as abundant quantity, ample supply, generous amount, copious amount, and much more. Additionally, other synonyms that can be useful include a considerable amount, a vast amount, a great quantity, an extensive amount, and a significant quantity. All these synonyms describe a large amount of something, and you can choose the most appropriate word depending on the context of your communication.