subtle

US /ˈsʌt̬.əl/
UK /ˈsʌt̬.əl/
"subtle" picture
1.

sottile, delicato, impercettibile

so delicate or precise as to be difficult to analyze or describe

:
The painting had a subtle blend of colors.
Il dipinto aveva una miscela sottile di colori.
There was a subtle change in his expression.
C'era un sottile cambiamento nella sua espressione.
2.

astuto, perspicace, ingegnoso

making use of clever and indirect methods to achieve something

:
He used a subtle approach to persuade them.
Ha usato un approccio sottile per persuaderli.
Her subtle hints were finally understood.
I suoi sottili suggerimenti furono finalmente compresi.