flyback
The movement of the electron beam back to its initial position between scan lines in a cathode-ray tube display.
A special kind of electrical transformer, originally designed to generate high-voltage sawtooth signals at a relatively high frequency, and now extensively used in switched-mode power supplies.

flybacks
plural of flyback

flybarless
Without a flybar.

flyey
That flies or can fly.

flyless
Without flies (the insect).
Without a fly (strip of material hiding a fastener).

flyproof
Resistant to flies (the insect).

flyschlike
Resembling or characteristic of a flysch.

flyschoid
Synonym of flyschlike.

flyschoidal
Alternative form of flyschoid.

flyspecked
Covered with flyspecks.

flystruck
Affected with myiasis.

flyworthy
Capable of flight; airworthy

fml
Abbreviation of formal.

fmr
Abbreviation of former.

foalish
Of, resembling or related to foals.

foamable
Capable of being converted into foam.

foamback
Backed with polyurethane foam.

foamier
comparative form of foamy: more foamy

foamiest
superlative form of foamy: most foamy

foamless
Without foam.

foamlike
Resembling foam; foamy.

foamy
Full of foam.

focometric
Relating to focometry.

focusable
Capable of being focused.
Able to receive the input focus.

focusless
Lacking focus.

focussable
Alternative form of focusable.

fodderless
Without fodder.

fodient
Fitted for, or relating to, digging or burrowing.

fodients
plural of fodient

fodinichnial
Relating to a fodinichnion.

foehnlike
Resembling or characteristic of a foehn (type of wind).

foeless
Having no foe.

foelike
Of, like, or characteristic of a foe or enemy; adversarial.

foetal
Alternative spelling of fetal.

foeticidal
Alternative form of feticidal.

foetid
Alternative spelling of fetid.

foetiparous
Alternative form of fetiparous.

foetofoetal
Alternative spelling of fetofetal.

foetomaternal
Alternative form of fetomaternal.

foetopelvic
Alternative form of fetopelvic.

foetoplacental
Alternative spelling of fetoplacental.

foetoscopic
Alternative form of fetoscopic.

foetotoxic
Alternative spelling of fetotoxic.

fogbound
enveloped in fog to such an extent that movement is dangerous or impossible

foggable
Able to be fogged.

foggier
comparative form of foggy: more foggy

foggish
Synonym of foggy (“obscured by mist or fog; unclear; hazy”).

foggy
Obscured by mist or fog; unclear; hazy.
Confused, befuddled, etc.
Being, covered with, or pertaining to fog (“tall grass etc that grows after, or is left after, cutting; moss”)

fogless
Free of fog.

foglike
Resembling a fog or some aspect of it.

fogponic
Of or relating to fogponics.

fogproof
Resistant to fogging up.

fogyish
Characteristic of a fogy

foibled
Having a foible or foibles; eccentric or fallible.

foidal
feldspathoidal

foiditic
Of or pertaining to foidite.

foidolitic
Of or pertaining to foidolite.

foilable
Capable of being foiled.

foisonless
Alternative form of fizzenless.

foisty
mouldy, musty, fusty

foititic
Relating to or composed of foitite.

foldable
That can be folded.

foldables
plural of foldable

foldameric
Relating to, or characteristic of a foldamer

folderless
Without folders.

folderlike
Resembling or characteristic of a folder (directory on disk).

foldless
Without folds.

foldout
An overlarge page that is folded into a book or magazine.
A bed that folds out from a closed position.

foldouts
plural of foldout

foldward
Toward a sheepfold.

foldy
Having or characterized by folds.

foliaceous
Resembling a leaf or leaves.
Bearing leaves.

foliaged
Having foliage, or in compounds, a defined type of foliage.

foliagelike
Resembling or characteristic of foliage.

foliageous
Resembling foliage.

folial
foliar

foliar
Of, pertaining to, or via the leaves.

folic
Of or relating to foliage; pteroylglutamic, as in folic acid.

folicolous
Alternative form of foliicolous.

folier
Misspelling of foliar (“relating to leaves”).

foliferous
Producing leaves.

foliform
leaf-shaped

foliicolous
Growing or living on leaves.

foliiferous
Alternative form of foliferous.

foliiform
Alternative form of foliform.

folinic
Derived from a folic compound.

foliolar
Of or relating to a foliole.

foliolate
Of or pertaining to leaflets of a plant.

foliolose
Bearing folioles.

foliophagous
feeding on leaves

foliose
leafy or leaf-like.

folious
Like a leaf; thin; insubstantial.
foliose

foliphagous
That eats foliage

folisolic
Of or relating to folisols.

folistic
Describing an epipedon that is normally saturated for less than 30 days per year and is more than 15–20 cm thick.

folivorous
Eating leaves.

folkadelic
Having elements of folk music and psychedelic music.

folkie
A folk singer, or an enthusiast of folk music.

folkier
comparative form of folkie: more folkie

folkies
plural of folkie

folkiest
superlative form of folkie: most folkie

folklike
Resembling the style of folk music

folkloric
Of, pertaining to, or having the character of folklore.

folklorical
Synonym of folkloric.

folklorish
Being similar to or having the quality of folklore.

folkloristic
about the traditions and stories of a country or community; Characteristic of folklore.

folkly
Of or belonging to the folk.

folksier
comparative form of folksy: more folksy

folksiest
superlative form of folksy: most folksy

folksonomic
Of or pertaining to folksonomy.

folksy
Characteristic of common folk.
Characteristic of common folk.
Characteristic of common folk.

folky
Having the character of folk music

foll
Abbreviation of following.

follicular
Of, pertaining to, having or resembling follicles.

folliculate
Synonym of folliculated

folliculated
Having follicles.

folliculiform
Resembling a follicle.

folliculitic
Exhibiting or relating to folliculitis.

folliculocentric
Having a central follicle

folliculogenic
Relating to folliculogenesis

folliculose
Alternative form of folliculous.

folliculostellate
Follicular and stellate.

folliculotropic
That has an affinity for follicles

followable
Able to be followed.

foncused
Alternative form of confused.

fondish
Somewhat or rather fond.

fondleable
Able to be fondled, or suitable for fondling.

fondlesome
Characterized or marked by fondling.

fondsome
Characterised or marked by fondness; loving, affectionate.

fontal
Of, relating to, or from a spring or fountain.
Of or relating to a font (used in baptisms).
Of, relating to, or being a source for something.

fontanellar
Of or pertaining to the fontanelle.

fonted
simple past and past participle of font

fontinal
Growing in or near springs

fontless
Not having a font, or receptacle for holy water.
Without fonts or typefaces.

foodborne
Transmitted through food.

foodcentric
Focused on food; gastronomic.

foodful
Supplying food.

foodier
comparative form of foody: more foody

foodiest
superlative form of foody: most foody

foodless
Lacking food; without food.

foodlike
Resembling food.

fooked
Alternative form of fucked.

fool
A person with poor judgment or little intelligence.
A jester; a person whose role was to entertain a sovereign and the court (or lower personages).
A stock character typified by unintelligence, naïveté or lucklessness, usually as a form of comic relief; often used as a source of insight or pathos for the audience, as such characters are generally less bound by social expectations.
Someone who has been made a fool of or tricked; dupe.
Someone who derives pleasure from something specified.
An informal greeting akin to buddy, dude, or man.
A particular card in a tarot deck, representing a jester.
A tankie.

foolable
Able to be fooled.

fooler
Someone or something who fools.

foolers
plural of fooler

foolest
second-person singular simple present indicative of fool

foolhardier
comparative form of foolhardy: more foolhardy

foolhardiest
superlative form of foolhardy: most foolhardy

foolhardy
Marked by unthinking recklessness with disregard for danger; boldly rash; hotheaded.

foolheaded
foolish

foolhearty
Eggcorn of foolhardy.