Synonym: cloudy, nebular, nebulose, unfixed. Similar words: fantabulous, credulous, none but, libelous, inebriated, debut, Bull., bulb. Meaning: ['nebjələs /-bjʊ] 
adj. 1. lacking definite form or limits 2. of or relating to or resembling a nebula 3. lacking definition or definite content.
adj. 1. lacking definite form or limits 2. of or relating to or resembling a nebula 3. lacking definition or definite content. 
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1. Music is such a nebulous thing.
2. 'Normality' is a rather nebulous concept.
3. She has a few nebulous ideas about what she might like to do in the future, but nothing definite.
4. The rules are too nebulous to be applied consistently.
5. Statistics grapples with the quantification of such nebulous concepts as probability,(http://Sentencedict.com) certainty and error.
6. Without the slightest shred of evidence, those nebulous question marks stood out like warning beacons.
7. A nebulous collective leadership, including the chiefs of the powerful armed forces, may still be holding the balance of power.
8. What results, though, is not a nebulous diffusion of Spenserian energies, but their reinforcement.
9. And if the figures' location is often nebulous, so are the suggested narratives gripping these people.
10. She got up waveringly, disappearing in the nebulous direction in which the cowgirl had gone.
11. Something important, still nebulous, about Solomon in all his glory versus the lilies of the field.
12. Ideas of fairness in taxation are usually nebulous.
13. Special mapping is a rather nebulous term.
14. And in some ways, netiquette seems as nebulous a concept as ever.
15. The other more nebulous considerations must , for this time, be left to the philosophers and theologians.
16. The company only had a nebulous idea of the next model of car they would manufacture.
17. Fragile , different, surprising, it is nebulous material, a place halfway between nature and artifice.
18. Creativity is often made be a nebulous , messy, complicated, difficult thing and it can be.
19. So - called truth is a nebulous thing at best.
20. It's not comfortable with nebulous concepts such as love, need and trust.
21. These nebulous conceptions of economic justice come down to us from medieval times.
22. The notions we children were able to form of the great world beyond were exceedingly nebulous.
23. There is no doubt that the old rating system was based on the nebulous concept of a fair market rent.
24. What matters is your ability to motivate people, and that is kind of a nebulous term.
25. Rationalism of this kind has encouraged the growth of more and more nebulous deism.
26. As indicated earlier, it is one of the most nebulous terms in the vocabulary of politics.
27. The same summer ... I am looking down on the world, but it does not stretch away over nebulous distant horizons.
28. They enable us to break up the larger and more nebulous goals, into smaller, more manageable pieces.
29. It was discovered in 1764 by Charles Messier, who included it as the 27th member of his famous catalog of nebulous objects.
30. He was now decently clothed in a "sport shirt, " open at the neck, sneakers, and duck trousers of a nebulous hue.