Please tell me the rule against saying "more sicker." I know it's not allowed, but what is the rule?


There are two ways to form the comparative.

1. add -er (sick, sicker)
2. use "more" (sick, more sick)

You have to use either rule 1 or rule 2. You cannot use both at the same time.

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We know that. The question is "why"? What is the rule? It's a double something; what ?

I found it . . . It's a double "comparative".

In addition . . . to comparatives (one syllable word; add -er) superlatives (most, and add -est) may also be doubled. Example . . . most luckiest person is called a double superlative.

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Here is what I found, in addition to my previous posts, on the internet . . . "A double superlative is a grammar mistake caused by applying two ways of forming a superlative instead of one. Double superlatives are most commonly committed when someone uses "-est" and "most" at the same time (e.g., most tallest)."

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