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What Is a Double Comparative? (with Examples)
Double Comparative
A double comparative is a grammar mistake caused by applying two ways of forming a comparative instead of one. Double comparatives are most commonly committed when someone uses "-er" and "more" at the same time (e.g., more taller).
Easy Examples of Double Comparatives
- He is more wiser than the teachers.
- Flossy is more quicker than Susan.

Real-Life Examples of Double Comparatives
The rules for forming comparatives are quite complicated, but let's look at a few of the common ways to create a comparative so we can talk about the mistake known as a double comparative. The comparative form of lots of adjectives is created either by adding the suffix -er or by placing more or less before. You can't do both. That's a serious mistake called a double comparative.- You're considerably more richer than George.
- I'm more affluenter than you. (should be more affluent)
- You're even more stupider than you look.
- Ireland is more windier than England.
- Ice-cream is more tastier than sorbet.
- I'm more better than you.
- I'm betterer than you.
- I'm more worse than you.
- I'm worser than you.
- We have loads of chickens now because our rooster can run more faster than our hens.
Why Should I Care about Double Comparatives?
Double comparatives are far more common in speech than in writing. In speech, they are often forgivable because they can usually be dismissed as a slip of the tongue. In writing, however, a double comparative is a serious mistake.Forming comparatives correctly is covered in the comparatives lesson.
Key Points
There are several ways to form a comparative. For example:- Add -er (tall > taller)
- Remove y, add -ier (pretty > prettier)
- Precede with more (famous > more famous)
- Precede with less (famous > less famous)
Interactive Exercise
Here are three randomly selected questions from a larger exercise, which can be edited, printed to create an exercise worksheet, or sent via email to friends or students.- Do you disagree with something on this page?
- Did you spot a typo?