Go-getter and Humdinger

Go-getter noun - An ambitious person who eagerly goes after what is desired.

Humdinger and go-getter are semantically related. In some cases you can replace term "Humdinger" with "Go-getter", this terms are similar.

Humdinger noun - Something very good of its kind.

Go-getter and humdinger are semantically related. Sometimes you can replace phrase "Go-getter" with "Humdinger", this terms are similar.