As adjectives the difference between fadlike and fatlike
is that fadlike
is having characteristics of a fad while fatlike
is resembling fat (the chemical substance) or some aspect of it.
Having characteristics of a fad.
* 2002 , Richard Gunde, Culture and customs of China
- Political campaigns were very fadlike : they exploded on the scene...
Resembling fat (the chemical substance) or some aspect of it.