Hence, A matter of little value or importance; ‘a thing of no moment’ (Johnson); a trivial, paltry, or insignificant affair.

Vanity; a vain thing. Obsolete.

Applied to something empty, vain, trifling, or unsubstantial. gen.

figurative. Used esp. (see sense 2a) to denote something unsubstantial or worthless.

transferred and figurative. Applied to something light and flimsy as gossamer.

A vain or empty matter.

An idle, trivial, or meaningless saying or comment; (also) a trifling or insignificant matter. Obsolete.

figurative. Anything of flimsy, frail, or unsubstantial texture; esp. fanciful fine-spun reasoning.

With the. That which is superficial.

A person or (more frequently) thing regarded as insubstantial, ephemeral, or inconsequential. Cf. breath, n. 3b. Obsolete.

figurative. Anything inflated and hollow, like a blown-up bladder.

Something unsubstantial, hollow, or deceptive; flummery; phlegm from the bronchial tubes.

Something comparable to ‘froth’ as being unsubstantial or of little worth.

bag of wind. In similative and figurative use, denoting something insubstantial, ephemeral, or worthless; a wholly vapid phenomenon or…

A person who is insignificant or fragile, or who hovers around temptation and is liable to be drawn to destruction (as a moth to a flame).

A thing existing in name only. Obsolete. rare.

figurative. Something vain or empty; a ‘bubble’. Obsolete.

figurative. Applied to something (material or immaterial) light, trifling, or flimsy; occasionally contemptuously to a spear or lance.

An empty or inane thing.

figurative. A person or thing regarded as inflated, empty, or hollow.

An empty form without substance; anything insignificant; nothing at all.

a bubble produced by exhaling underwater; (also figurative) something of little value or importance, a trifle.

A merely nominal thing or condition.

figurative. Something insubstantial or trifling, esp. journalism or other writing, usually of a sentimental nature.

figurative. Something that is superficially attractive but has no real value or integrity; (also occasionally) something pleasant or charming but…