An imperceptible murder...

An imperceptible murder.

Honest to God, they both imperceptibly slumped.

- for the note. - Another imperceptible crime.

There's nearly imperceptible damage to the hyoid.

It must have an almost imperceptible graininess

It must have an almost imperceptible graininess.

- Honest to God. - (Chuckles) They both kind of imperceptibly slumped.

You give into it incrementally, in an almost imperceptible way.

It's probably an imperceptible flicker from a defective bulb.