a. lacking definite form or limits; hazy; cloudy
After twenty years, she had only a nebulous memory of her grandmother's face.
Sentence in Classic:
They were like the tiniest grains of dust, and they whirled round and gathered in clusters in a nebulous sort of way.
Her loudly affirmed pleasure at seeing Miss Bart took the form of a nebulous generalization, which included neither enquiries as to her future nor the expression of a definite wish to see her again.
House of Mirth By Edith Wharton Context
Your nearest relations are often no more for you than vague shadowy forms, barely outlined against a nebulous background of life and easily confounded again with the invisible.
Les Misérables (V4) By Victor Hugo Context
She was enabled to avoid puddles by the nebulous paleness which signified their presence, though beside anything less dark than the heath they themselves would have appeared as blackness.
Return of the Native By Thomas Hardy Context