If you say that someone does something at a snail's pace, you are emphasizing that they are doing it very slowly, usually when you think it would be better if they did it much more quickly. The train was moving now at a snail's pace.

What does at a snails pace mean?

: very slowly The work is progressing at a snail's pace.

Is snail's pace an idiom?

Are you familiar with this animal? If so, you can easily understand the meaning because this idiomatic phrase describes the speed (pace) of the snail's movement. At a snail's pace: Very slowly.