subtle

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

subtil, délicat, fin

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

:
The painting had a subtle blend of colors.
Le tableau avait un mélange subtil de couleurs.
There was a subtle change in his expression.
Il y avait un changement subtil dans son expression.
2.

astucieux, perspicace, fin

making use of clever and indirect methods to achieve something

:
He used a subtle approach to persuade them.
Il a utilisé une approche subtile pour les persuader.
Her subtle hints were finally understood.
Ses allusions subtiles furent finalement comprises.