Frothy

Part of speech: adjective

Definitions

1. Exhibiting a light and bubbly quality with foam or small air bubbles, while also suggesting an absence of seriousness or depth, thus appearing trivial or superficial
2. Characterized by a bubbly or foamy texture, presenting a lightness in feel, yet also indicating a lack of depth or seriousness, making it seem superficial or trivial
3. Having a surface or texture filled with froth or foam, giving a light and airy appearance ; showing qualities that are shallow or lacking in meaningful substance

Etymology: "Frothy" is a straightforward formation: the noun "froth" with the suffix "-y", meaning "having the qualities of" or "full of". The suffix itself has a long pedigree, descending from an Old English ending "-ig" that was later spelled "-y" in Middle English, and it has been attached to nouns like this for centuries to make adjectives. So the word is simply "froth" plus a common adjective-making ending, and the meaning follows directly from that combination. The noun "froth" has deeper roots. It traces back to Proto-Germanic "*-gaz," which gives English a noun for foam or bubbling matter, and the word has stayed close to that physical sense throughout its history. Its ancestry goes back to a Proto-Indo-European root, but in English the word's real story is its steady attachment to the image of bubbles gathering on the surface of a liquid.

Synonyms: bubbly, foamy, spumy

Antonyms: still, flat, calm