Adjective:
moitteeton, viaton, synnitön, koruton, puhdas, pyhä, siveä, syytön, valkoinen, hieno, tarkka, virheetön, tahraton, ruostumaton, harmiton.
Your handwriting is IMPECCABLE.
I've been told it's excellent. It is IMPECCABLE.
Your choice of friends is IMPECCABLE.
but your timing is IMPECCABLE.
No, not really. IMPECCABLE bloodlines though.