Found 91 synonyms in 11 groups
  1. 2
    Meaning: feeble
  2. 4
    Meaning: flimsy
  3. 5
    Meaning: property
  1. 6
    Meaning: nonmaterial
  2. 8
    Meaning: health
  3. 9
    Meaning: fragile
  4. 10
    Meaning: meagre
  5. 11
    Meaning: incorporeal

insubstantial synonyms - English related words for insubstantial