The largest or taking up the most space compared to all other things being compared; having the greatest bulk.
From 'bulk' with the superlative suffix '-est', which identifies the extreme case among a group. This is the highest degree of bulkiness.
Superlatives like 'bulkiest' let us rank things—it's not just big compared to one thing, but the biggest of them all! The sound pattern '-iest' appears in over 200 English adjectives, making it one of our most productive word-building patterns.
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