0 a very small amount compared to the amount needed: --
All the money we raised was just a drop in the bucket.
1 something small and unimportant, esp. when compared with something else: --
We were paid about $50,000, but that was a drop in the bucket compared to what some other companies got.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
a drop in the bucket