Synonyms for unsubstantial
- adjective
Most common
All synonyms
Adjective
1. Insubstantial
insubstantial, unreal, airy, weak, ethereal, flimsy, immaterial, vaporous, shadowy, thin, light, tenuous, incorporeal, gaseous, visionary, aery, gossamery, diaphanous formal, aeriform
Other
Example sentences
- unreal I find the concept of Globish restrictive and unreal.
- airy The airy castle looked like a feudal fortress.
- ethereal The voice sounded very weird, almost ethereal.
- insubstantial The judge found the evidence of his guilt insubstantial.
- unessential Jewelry and perfume are unessential. Normal humans don't need them.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| unsubstantial | falling | |
| unreal | steady | |
| airy | rising | |
| ethereal | rising | |
| insubstantial | steady | |
| impalpable | steady |
Use in printed books, per decade from 1850 to 2019.
By length
- 4 letters
- weak1, thin1, airy2, aery
- 5 letters
- light1
- 6 letters
- unreal2, flimsy2
- 7 letters
- shadowy3, tenuous3, gaseous3
- 8 letters
- ethereal4, vaporous, aeriform
- 9 letters
- visionary4, gossamery
- 10 letters
- immaterial5, diaphanous4, impalpable
- 11 letters
- incorporeal, unessential
- 13 letters
- insubstantial4
The small number after each word is its number of syllables (airy2 = 2 syllables).