fattist

is likely misspelled.

has no English definition.

As a noun fattist

is an advocate of fattism.

As an adjective fattist

is of, relating to, or advocating fattism.

As a noun fattist is

an advocate of fattism.

As an adjective fattist is

of, relating to, or advocating fattism.

As adjectives the difference between fattish and fattist

is that fattish is somewhat fat while fattist is of, relating to, or advocating fattism.

As a noun fattist is

an advocate of fattism.

As adjectives the difference between fattest and fattist

is that fattest is superlative of fat while fattist is of, relating to, or advocating fattism.

As a noun fattist is

an advocate of fattism.

As adjectives the difference between fattiest and fattist

is that fattiest is (fatty) while fattist is of, relating to, or advocating fattism.

As a noun fattist is

an advocate of fattism.

As adjectives the difference between fattist and antifat

is that fattist is of, relating to, or advocating fattism while antifat is counteracting fat; having a slimming effect; antiobesity.

As a noun fattist

is an advocate of fattism.