The Oxford Thesaurus An A-Z Dictionary of Synonyms INTRO ...

hurl, fling, heave, pitch, lob, sling, chuck, shoot, fire (off),
let rip, discharge, launch, propel, let go or off: They let fly
a volley of arrows. b let go with, let (someone) have it, lash
out, vent one's spleen, lose one's temper, burst out or forth,
burst into, Colloq pull no punches, tear into: That was the
last straw, and she really let fly at him.
--n. 9 Often, Brit flies. flap, fly front, Brit zip, US zipper:
He was embarrassed to find his flies were open. 10 fly in the
ointment. hitch, snag, impediment, obstacle, obstruction,
problem, difficulty, drawback, detraction, rub, hindrance,
bugbear, bogey, bugaboo, Offensive nigger in the woodpile: The
one fly in the ointment is that my mother won't give me
permission to go.
fly-by-night
adj. 1 temporary, short-lived, transitory, fugitive, ephemeral,
transient, fleeting, passing, brief, impermanent, here today,
gone tomorrow: That fly-by-night operation was in business for
less than a month. 2 unreliable, untrustworthy, disreputable,
irresponsible, dubious, questionable; shifty, dishonest, sharp,
crooked, Colloq shady, Brit cowboy: Guarantees on double
glazing are worthless if installed by some fly-by-night company.
6.5 foam...
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foam n. 1 bubbles, froth, spume, lather, suds; effervescence,
sparkle, carbonation, fizz: The foam leaves spots when it
dries.
--v. 2 bubble, froth, spume, lather, suds, soap up: Watch the
solution foam when I drop this tablet into it.
focal adj. central, focused, concentrated, convergent, centred,
centralized: The light rays come together at this focal point.
Harris's address was the focal point of the conference.
focus n. 1 centre, concentration, focal point, heart, core, target,
convergence, hub, nave; cynosure: Why should Anita always be
the focus of attention? 2 in focus. clear, distinct, well- or
sharply defined: With the telescope in focus, you feel as if