In English, there are three degrees of adjectives. These three degrees are used to express intensity or strength of quality.
To create the regular comparative form, the suffix »-er« is added to the base or positive form. To create the regular superlative, the suffix »-est« is added.
These are the degrees of strangeness:
The comparative and superlative can also be created by the addition of »more« or »most« respectively to the positive form:
comparative: more strange
superlative: most strange