Word

Explanation

Example

big

large in size, degree or amount

a big stone

great

much bigger than average

a great success
a great time

high

measurement from the bottom to the top; greater than normal

a high mountain
a high level

large

big in size and quantity

a large country
a large number of people

tall

greater height than average

a tall man


Note: We use high or tall when we talk about buildings.