Superlative form of gleamy; the most shiny, bright, or inclined to gleam of all.
From 'gleamy' plus the superlative suffix -est, which marks the highest degree. This follows standard English patterns for forming superlatives from adjectives.
Language learners often struggle with irregular comparatives, but 'gleamy → gleamier → gleamiest' is perfectly regular—following the same pattern as 'happy → happier → happiest,' showing how predictable English can be.
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