The word "shrinker" typically refers to something that reduces or compresses in size. There are a variety of synonyms that can be used to describe this type of action, including words like "compressor," "reducer," "shrinking tool," "minimizer," and "condenser." Additionally, some words that describe a physical object that can cause something to shrink include "heat gun," "iron," "steam machine," and "vacuum sealer." Other synonyms that describe more general forms of reduction or compression include "downsizer," "streamliner," "shortener," and "simplifier." Whatever the context, there are many different words that can be used to describe the action of reducing or compressing the size of something.