Synonyms:
- adulterated,
- airy,
- attenuate,
- attenuated,
- cut,
- dilute,
- diluted,
- ethereal,
- fine,
- flimsy,
- gaseous,
- insubstantial,
- rare,
- rarefied,
- reduced,
- slight,
- subtile,
- subtle,
- tenuous,
- thin,
- thinned-out,
- uncompact,
- uncompressed,
- unsubstantial,
- vaporous,
- watered,
- watered-down,
- windy