Superlative form of dusty; the most covered with dust or most likely to produce dust among a group.
Superlative form of 'dusty' formed by adding '-est'. Follows standard English adjective comparison patterns.
The superlative 'dustiest' perfectly captures childhood—the dustiest corner of an attic or basement always seemed to hold the most interesting treasures, probably because neglected places accumulate both dust AND forgotten treasures!
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