• WordNet 3.6
    • adj frothy marked by high spirits or excitement "his fertile effervescent mind","scintillating personality","a row of sparkly cheerleaders"
    • adj frothy emitting or filled with bubbles as from carbonation or fermentation "bubbling champagne","foamy (or frothy) beer"
    • ***
Webster's Revised Unabridged Dictionary
    • Frothy Full of foam or froth, or consisting of froth or light bubbles; spumous; foamy.
    • Frothy Not firm or solid; soft; unstable.
    • Frothy Of the nature of froth; light; empty; unsubstantial; as, a frothy speaker or harangue.
    • ***
Century Dictionary and Cyclopedia
    • frothy Full of or accompanied with foam or froth; consisting of froth or light bubbles; spumous; foamy.
    • frothy Vain; light; unsubstantial; given to empty declamation; wordy: as, a frothy harangue; a frothy speaker.
    • ***
Chambers's Twentieth Century Dictionary
    • Frothy full of froth or foam: empty: unsubstantial
    • ***


Chambers's Twentieth Century Dictionary
Scand., as in Ice. froða, Dan. fraade.


In literature:

She liked the new milk, frothy and warm.
"Hunter's Marjory" by Margaret Bruce Clarke
If the skin is punctured at this place, there will be a dark-red, frothy discharge which has a very disagreeable odor.
"The Veterinarian" by Chas. J. Korinek
On followed the boats through the hissing and frothy caldron.
"The Rifle Rangers" by Captain Mayne Reid
The sea, too, began to wear a singular aspect, and great frothy clouds were gathering rapidly in the south.
"Blue Jackets" by George Manville Fenn
They are thinner than usual and frothy from the presence of gas.
"The Eugenic Marriage, Volume IV. (of IV.)" by Grant Hague
His cough was particularly troublesome in the morning, and was relieved by a free expectoration of frothy mucus.
"An Investigation into the Nature of Black Phthisis" by Archibald Makellar
It would be a great mistake to eat dessert alone, and it is certainly a mistake to read light, frothy reading matter alone.
"Dollars and Sense" by Col. Wm. C. Hunter
Frothi, king of the Northland, owned some magic millstones.
"The Book of Nature Myths" by Florence Holbrook
Under the incessant flashes their black heads appeared and disappeared in a welter of frothy white.
"Jim Spurling, Fisherman" by Albert Walter Tolman
A frothy mucus was effused from them in great quantities.
"Cases of Organic Diseases of the Heart" by John Collins Warren

In poetry:

Of the deep, the grand and awful wave,
Where the frothy waters toil and rave
On in their course, as they engrave
Their history.
"Biographia" by Samuel Alfred Beadle
Oh! the weary green of the weedy waste,
The thickening scum of the frothy foam,
And the torpid heart by the reeds embraced
And shrouded and held in its cheerless home.
"Slack Tide" by Sophie Margaret Hensley
Drench'd by the chilling rain, his dreary hour
Creeps slowly onward to the dawn of day;
Till burning PHOEBUS darting thro' the show'r,
Warms with his golden beam the frothy spray:
"Sonnet -- The Mariner" by Mary Darby Robinson
The blind ship came forgotten home
To all but one of these
Of whom none dared to climb aboard her:
And by and by the breeze
Sprang to a storm and the "Alice Jean"
Foundered in frothy seas.
"The "Alice Jean"" by Robert Graves
Birds of ill omen fold your sable pinions,
Cease your gyrations through our Queen's dominions;
Your pecking, screaming, croaking, don't alarm us—
Your frothy declamations do not charm us.
"North America and Her War Parsons" by Janet Hamilton
Daft, they call me. Daft Dick Chant be I,
Weeping when others be merry, laughing when others cry;
Running the frothy landwash when the night blows wild,
Or smoking a pipe by the red stove, contented and mild.
"The Mad Sailor" by Theodore Goodridge Roberts

In news:

As Craft Brew Sales Grow Frothy, Pourers With Pedigrees Bubble Up .
Cozy up this winter with a hot, frothy drink.
If Flyers' mouths aren't frothy , fans' will be.
Frothy sales for craft beers.
Frothy mountain laurel brightens June.
George Bernard Shaw 's 1903 classic "Man and Superman" is a weighty philosophical treatise disguised as a frothy rom-com.
His voice frequently rises to a frothy shout while he stomps the ground to emphasize his points.
William Havu, the director of his namesake gallery, came up with a frothy confection last summer that celebrated serious artists taking a lighthearted approach to subject matter.
If you're too hard-headed or frothy not to, be certain that you can surf the place better than the bottom third of the surfers out there.
But nothing is going to make this day better except for frothy beers and the comforting sizzle of fried bar food.
Nothing rings in the holiday season like a sprinkling of fresh grated nutmeg in a frothy glass of eggnog, in a gingerbread cake, in an apple strudel or in a pumpkin tort.
Wearing a short, frothy white dress, she glanced into the gathering of guests and spied a star of local television fame -- in the exact same outfit.
We catch up with Ben in his taproom to talk balanced brews and his frothy homage to Wilford Brimley.
You couldn't get much farther from the frothy romance of Bollywood than this grim but moving independent drama by Anurag Kashyap.
A frothy meringue is the secret to lightening the brown sugar-sweetened filling.

In science:

The galaxy distribution, they wrote, “is frothy, characterized by large filamentary superclusters of up to 45 Mpc in extent, and corresponding large holes devoid of galaxies”. A ma jor output of the first CfA survey was Huchra & Geller235 ’s catalogue of groups of galaxies.
From Messier to Abell: 200 years of science with galaxy clusters
For example the panels for the C1 run (spiral galaxy/solar metallicity, middle panels) show the frothy appearance of the neutral gas distribution typical for a star forming ISM.
Molecular gas, CO, and star formation in galaxies: emergent empirical relations, feedback, and the evolution of very gas-rich systems
The frothy gas disk structures evident in Figures 2 and 3 indicates the dynamic nature of the processes.
Molecular gas, CO, and star formation in galaxies: emergent empirical relations, feedback, and the evolution of very gas-rich systems
Gas parcels with densities on the order of 10−2 cm−3 are present throughout the frothy thick disk of ionized and neutral gas lofted by supernova explosions in the plane.
Recent FUSE Observations of Diffuse O VI Emission from the Interstellar Medium