Superlative form of 'gluey'; the most sticky, adhesive, or resembling glue compared to all others.
From 'gluey' plus the superlative suffix '-est,' the standard Old English method for comparing more than two instances or indicating the greatest degree.
Superlatives like 'gluiest' are interesting because they're technically comparing multiple items but we often use them hyperbolically in speech—'that's the gluiest mess ever!' when really we're just emphasizing how sticky something is.
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