Bucket and pail both describe a round, open container with a handle, used for carrying liquids or loose items such as water or sand. They mean essentially the same thing, and in most everyday British English, bucket is simply the more commonly used word, with pail turning up more in older or more literary writing, such as children filling their pails with sand at the beach.
The core difference
Bucket and pail are near-synonyms for the same type of container; bucket is the word in everyday current use.
- bucket — a round, open container with a handle, used to carry liquids or loose items: She filled the bucket with water to wash the car.
- pail — a round container with a handle, used for carrying liquids or other loose materials; a bucket: The children filled their pails with sand at the beach.
How to tell them apart
There is no real difference in shape or use between a bucket and a pail; the dictionary definition of pail even points straight back to bucket. The distinction that survives is one of register and habit: bucket is the word most people reach for day to day, while pail tends to appear in slightly older, gentler, or more storybook phrasing, such as a nursery rhyme or a description of children at the beach.
Bucket has also picked up extra everyday uses that pail has not, including informal ones like it rained buckets meaning heavy rain, and bucketing down as a verb for a downpour. If you are choosing one word for general writing, bucket is the safer, more natural default.