Did Not Seem Phased?

: to disturb the composure of : disconcert, daunt Nothing fazed her. Criticism did not seem to faze the writer.

Is it fazed or phased?

From this, we can see why it should be “phased out” instead of “fazed out”, with “phase” referring to stages and thus “phased out” signally the end of some stage. So just remember: “fazed” more or less = “disturbed” “phased” more or less refers to stages.

Is it not phased or not fazed?

'Faze' Don't be fazed by these homophones. Phase is a noun referring generally to a point or stage in a developmental process.