1. most affected by or characterized by snuffling; having the most blocked or congested nasal breathing
Usage: superlative form of snuffly

Examples

• Of all the children with colds, Tommy was the snuffliest.
• The snuffliest patient in the waiting room kept reaching for tissues.
• During allergy season, she was always the snuffliest person in the office.
• The snuffliest dog at the shelter had trouble breathing through his nose.
• After the dust storm, he became the snuffliest member of the hiking group.