UNSUBSTANTIAL
ADJECTIVES
► AERICAL aerial; existing in the air; unsubstantial → 1660 obs.
► AERIE spiritual, incorporeal, unsubstantial, visionary → 1586
► AERIFORM unsubstantial, intangible, unreal → 1828
► AERY spiritual, incorporeal, unsubstantial, visionary → 1586
► FROTHY trifling, vain, empty, unsubstantial → 1593
► HUFFY airy, unsubstantial → 1678 obs.
► LAMOS flimsy, unsubstantial → 1912 US criminals’ sl. (Bk.)
► LATHERY ‘frothy’, unsubstantial → 1803
► NO-HOPE of a person: hopeless, useless, unsuccessful → 1999 sl.
► UMBRATILE of a shadowy nature; unsubstantial; unreal → 1647 obs.
► UNSPEEDY unprofitable; unsuccessful → 1300 obs.
► VAPOROUS of ideas, feelings, etc.: fanciful, idle, unsubstantial, vain → 1605
► VAPOURY unsubstantial, indefinite, vague → 1818
► WAFFLY easily blown about by the wind, unsubstantial, without stamina; shaky, unsteady → 1905 Sc. & Eng. dial. (Bk.)
NOUNS
► DEAF NUT something hollow, worthless, or unsubstantial → 1613
► HOUSE OF CARDS any insecure or unsubstantial scheme, system, etc. → 1641
► SYLLABUB something unsubstantial and frothy; esp., floridly vapid discourse or writing → 1706
► VAPOUR something unsubstantial or worthless → 1382
Lexicophilia 