IPA: /ˈsʌtlnəs/
KK: /sʌtlnəs/
The quality of being delicate, understated, or not obvious, often requiring careful thought to understand or appreciate.
The subtleness of her argument made it more persuasive than a direct approach would have been.
Subtleness is formed from "subtle" (from Latin *subtilis*, meaning fine or delicate) and the suffix "-ness" (meaning the state or quality of). The word "subtleness" refers to the quality of being subtle, which implies delicacy or nuance.
Think of the word 'subtle' meaning fine or delicate, and remember that 'subtleness' refers to the quality of being delicate or nuanced.