IPA: /ˈprɪkliər/
KK: /ˈprɪkliər/
Having sharp points or thorns; more difficult to deal with or touch than something that is not prickly.
The pricklier the situation became, the more careful we had to be.
Comparative: pricklier
Superlative: prickliest
Pricklier → It is formed from "prick" (from Old English "pricca", meaning to pierce or puncture) and the comparative suffix "-lier" (indicating more). The word "pricklier" means more likely to pierce or cause discomfort, often used to describe something with sharp points or thorns.
Think of something that is more likely to 'pierce' ('prick') you, which is why 'pricklier' describes something that is sharper or more uncomfortable.