“Psychotic/Schizophrenic” when you mean: unpredictable, unrestrained, unreal, etc.
“Bipolar” when you mean: polarized, scattered, fickle, unstable, etc.
“Delusional” when you mean: unrealistic, unreasonable, close-minded, stubborn, etc.
“[insert “R” slur in relation to intellectual disabilities]” when you mean: unreasonable, ridiculous, scatterbrained, immature, etc.
“OCD” when you mean: particular, neat, overbearing, etc.
“Narcissistic” when you mean selfish, abusive, manipulative, etc.
Note: I’m NOT saying that these are synonymous. This is also not an exhaustive list.