nubilous.

1. Clouded by mist or obscurity; also, difficult to understand because its meaning is vague.

2. Difficult to understand or define because its meaning or limits are unclear.

Use it for

Words that belong together

• nubilous sky
• nubilous veil
• nubilous outline
• nubilous wording
• nubilous boundary
• nubilous explanation

On the page

The nubilous dawn blurred the hills into one gray shape.

Their agreement remained nubilous on the question of who would pay.

Usage notes

A rare literary adjective. Its physical sense is more readily understood; the abstract sense means obscure or indefinite, not merely complicated. Sense 2: Use this uncommon figurative sense when the lack of clarity itself matters; “unclear” is plainer.