Select the most appropriate meaning of the given idiom.

Drop in the bucket

Something small and unimportant, especially when compared with something else

The most appropriate meaning of the idiom "drop in the bucket" is something small and unimportant, especially when compared with something else.

The idiom is used to describe something that is so small or insignificant that it has little or no impact on something else. For example, you might say that a donation of $100 is a drop in the bucket when compared to the total cost of a project.

The other options are not as accurate descriptions of the idiom.

• An extreme overreaction to something very small or insignificant is the meaning of the idiom "to make a mountain out of a molehill".
• To be involved in or be a part of something great or revolutionary is the meaning of the idiom "to be at the forefront of something".
• An alarming or unexpected announcement, especially an unpleasant one is the meaning of the idiom "a bombshell".