IPA: /ˈspɑːrsər/
KK: /ˈspɑːrsər/
Having fewer things or being less dense than something else.
The forest became sparser as we moved further up the mountain.
Sparser → It is formed from "sparse" (from Latin "sparsus", meaning scattered) and the comparative suffix "-er" (indicating a greater degree). The word "sparser" means having a greater degree of being scattered or less densely arranged.
Think of something that is 'scattered' ('sparse') and remember that 'sparser' means it is even more scattered or less dense.