ferrogabbroic
Relating to or composed of ferrogabbro.

ferrographic
Of or relating to ferrography.

ferrohumic
Containing iron and humus.

ferrohydrodynamic
Relating to ferrohydrodynamics.

ferroic
Of or pertaining to ferromagnetism, ferroelectricity, ferroelasticity and ferrotoroidicity

ferrokinetic
Pertaining to the movement of iron through the body.
Exhibiting, or pertaining to, ferrokinesis.

ferromagnesian
That contains both iron and magnesium

ferromagnesic
Synonym of mafic.

ferromagnetic
Exhibiting ferromagnetism.

ferromanganiferous
Containing ferromanganese.

ferromanganous
Relating to or composed of ferromanganese.

ferromic
Relating to ferromes or to ferromics

ferronematic
Describing the nematic phase of a ferrofluid.

ferroptotic
Relating to or causing ferroptosis

ferrosoferric
That of which contains both ferrous and ferric ions

ferrotoroidic
Of, pertaining to or exhibiting ferrotoroidicity

ferrotrophic
Relating to ferrotrophy

ferrous
Of or containing iron.
Of compounds of iron in which it has a valence or oxidation number of +2.
Of an element: iron, or in certain ways similar to iron. (Said mainly of iron group elements, in any sense of that term.)

ferrovitreous
Constructed of iron (or steel) and sheets of glass

ferruginated
Having the colour or properties of rust, or iron oxide.
Affected with ferrugination

ferrugineous
Alternative spelling of ferruginous.

ferruginised
Alternative spelling of ferruginized.

ferruginized
simple past and past participle of ferruginize

ferruginous
Containing iron.
Rusty.
Rust-colored.

ferruled
Having a ferrule.
Alternative form of viroled, veruled.

ferryable
Alternative form of ferriable.

ferryl
describing compounds of iron in which it has a valence or oxidation number of +4.

fershnickered
Intoxicated by alcohol or drugs.

fersialitic
Containing iron oxides and sial

fertile
Of land, etc.: capable of growing abundant crops; productive.
Of one's imagination, etc.: active, productive, prolific.
Capable of reproducing; fecund, fruitful.
Capable of developing past the egg stage.
Not itself fissile, but able to be converted into a fissile material by irradiation in a reactor.

fertilest
superlative form of fertile: most fertile

fertilisable
Alternative spelling of fertilizable.

fertilisational
Alternative spelling of fertilizational

fertilizable
Capable of being fertilized.

fertilizational
Relating to fertilization.

fertiloscopic
Relating to fertiloscopy.

fertoprotective
That protects a woman's fertility, typically during chemotherapy

fertotoxic
That is toxic to a woman's fertility

ferulaceous
Pertaining to reeds and canes.
Having a stalk like a reed.

ferulated
Treated or reacted with a ferulate or with ferulic acid

ferulic
Of or pertaining to ferulic acid or its derivatives

feruloylated
Modified by the addition of feruloyl groups

ferventest
superlative form of fervent: most fervent

fervorent
Synonym of fervent.

fervorless
Alternative form of fervourless.

fervorous
With fervour; fervent.

fervourless
Without fervour.

fervourous
Rare spelling of fervorous.

fescennine
Obscene or scurrilous.

festal
festive, relating to a festival or feast

festerous
That is characteristic of, or prone to festering.

festery
Festering; tending to fester.

festinant
Exhibiting festination; having shortened stride and quickened gait.

festival
Pertaining to a feast or feast day; festive. (Now only as the noun used attributively.)

festivally
Resembling or characteristic of a festival.

festivals
plural of festival

festive
Having the atmosphere, decoration, or attitude of a festival, holiday, or celebration.
In the mood to celebrate.

festooned
Decorated with a string of lights, flowers, or paper hung in a curve between two points. It can also be used more broadly to describe a place that is richly decorated or covered in something, especially for a special occasion.

festoony
Pertaining to, consisting of, or resembling festoons.

fetal
Pertaining to, or connected with, a fetus.
In the fetal position.

fetchable
Capable of being fetched.

feted
simple past and past participle of fete

fetial
A member of the Roman college of priests who acted as representatives in disputes with foreign nations.

fetiales
plural of fetialis.

fetialis
A fetial.

fetichistic
Dated form of fetishistic.

feticidal
Killing a fetus.

fetid
Foul-smelling, stinking.

fetids
plural of fetid

fetiferous
Producing young; fruitful, productive.

fetiparous
bearing offspring born not fully developed

fetishic
Of or relating to a fetish.

fetishistic
Of or pertaining to fetishism or fetishists.

fetishizable
That can be fetishized.

fetishlike
Resembling or characteristic of a fetish.

fetishy
Resembling or characteristic of a fetish.

fetlocked
Having fetlocks (of a specified kind).
Tied by the fetlock.

fetoembryonic
fetal and/or embryonic

fetofetal
Relating to, or communicating between two fetuses, especially twin fetuses; twin-to-twin.

fetographic
Relating to fetography.

fetolethal
Lethally fetotoxic.

fetomaternal
Having to do with a fetus and its mother.

fetometric
Relating to fetometry

fetoneurotoxic
neurotoxic to a fetus

fetopathological
Relating to fetopathology

fetopelvic
Relating to the fetus and the mother's pelvis.

fetoplacental
Of or pertaining to both the fetus and the placenta.

fetoscopic
Of or relating to fetoscopy.

fetotoxic
Toxic to fetuses.

fetterless
Without fetters.

fetuslike
Resembling or characteristic of a fetus.

feudal
Of, or relating to feudalism.

feudalist
An advocate or practitioner of feudalism.

feudalistic
Of, pertaining to, or characteristic of feudalism, feudal.

feudalists
plural of feudalist

feudaries
plural of feudary

feudary
Held by, or relating to, feudal tenure.

feudatorial
Synonym of feudatory.

feudatories
plural of feudatory

feudatory
Relating to feudalism, feudal.

feudlike
Resembling or characteristic of a feud.

feuilletonistic
Characteristic of feuilletonism.

feverish
Having a fever, an elevated body temperature.
Filled with excess energy.
Morbidly eager.

feverless
Without a fever.

feverlike
Resembling or characteristic of a fever.

feverous
affected with a fever.
having the nature of fever
having a tendency to produce fever
feverish; frenetic

feversome
Characterised or marked by fever

fewfold
By a multiple of a few; by a few times as much or as many.

fewl
Alternative spelling of fool (“foolish person”).

fewls
plural of fewl

fezless
not wearing a fez

fezlike
Resembling a fez.

fezzed
Wearing a fez; befezzed.

fibered
Having fibers/fibres.

fibergastroscopic
Alternative form of fibrogastroscopic

fiberglassy
Resembling or characteristic of fiberglass.

fiberless
Lacking fibers

fiberlike
Like fiber; fibrous.

fiberoptic
Alternative form of fibre optic.

fiberous
Misspelling of fibrous.

fiberwise
Of or pertaining to the fiber of a map.

fibery
Fibrous; having an appearance of fibers.

fibial
Of or pertaining to the fibula.

fibonomial
Fibonacci-binomial

fiboquadratic
Describing an extension of Fibonacci sequences involving quadratic numbers

fibral
Having the form of a fiber or fibril

fibrant
Relating to a fibration

fibrational
Of or pertaining to a fibration.

fibred
Having (a specified form of) fibres.

fibreglassed
Alternative spelling of fiberglassed.

fibreless
Lacking fibres

fibrelike
Like fibre; fibrous.

fibreoptic
Alternative spelling of fibre optic.

fibrewise
Alternative form of fiberwise.

fibric
In an initial stage of decomposition.

fibriform
Shaped like a fiber.

fibriliary
Misspelling of fibrillary.

fibrillar
Of or pertaining to fibrils.
Having the characteristics of fibrils.

fibrillary
Of or pertaining to fibrils, or nanoscale fibers

fibrillative
Relating to fibrillation.

fibrillatory
Accompanied by fibrillation.

fibrilled
Having one or more fibrils.

fibrilliary
Alternative form of fibrillary.

fibrilliferous
Bearing fibrils.

fibrilliform
Having the appearance of a thin fibre or group of fibres; fibrous.