fatter
adj.adj. having more body fat or being thicker than someone or something else. It is the form of 'fat' you use when comparing two things.
adj. the comparative form of 'fat'; having a greater amount of adipose tissue or a larger circumference than another entity.
The cat got fatter after we started feeding it more treats.
This year's harvest produced much fatter pumpkins than the ones we grew last summer.
While the older model was slim and portable, the newer version is significantly fatter due to the inclusion of a much larger internal battery.
Comparative adjective; typically followed by 'than' when making a direct comparison.
more fatterfatterOne-syllable adjectives form the comparative by adding '-er'; using 'more' with the '-er' suffix is a double comparison error.