adventious
adventitious.

adventive
Accidental.
Adventitious.
Of a plant: not native, but introduced by humans to a place and since naturalized.

adventives
plural of adventive

adversant
Opposed; adverse.

adversarious
hostile; adversarial

adviceful
Attentive; watchful.
Providing advice; informative, insightful.

aenigmatic
Archaic form of enigmatic.

aeolic
Alternative spelling of eolic.

aequoreal
marine; oceanic

aerial
Living or taking place in the air.
Made up of air or gas; gaseous.
Positioned high up; elevated.
Ethereal, insubstantial; imaginary.
Pertaining to the air or atmosphere; atmospheric.
Pertaining to a vehicle which travels through the air; airborne; relating to or conducted by means of aircraft.
Above the ground.

aeriformed
aeriform

aerious
Pertaining to air, airy.

aerobian
aerobic

aerobious
aerobic

aeromantick
Archaic spelling of aeromantic.

aesthesodic
sensory

aestiferous
As the tide, turbulent; ebbing and flowing.
Producing much (aestival) heat.

aetat
Aged; at the age of.

aetiolated
Obsolete spelling of etiolated.

aeval
Alternative form of eval.

afaint
fainting

afeard
Afraid.

afeared
simple past and past participle of afear

affeard
Alternative form of affeared (used in Devonshire at the turn of the 19th century)

affeared
simple past and past participle of affear

affectated
affected

affectious
affectionate

affectuous
passionate or affectionate.

affluent
Someone who is wealthy.
A stream or river flowing into a larger river or into a lake; a tributary stream; a tributary.

affraid
Obsolete spelling of afraid.

affriended
Made friends; reconciled.

affrighted
Terrified.

affrightened
frightened, affected by fright

affrightful
frightful

aflight
Flying.
Covered or filled (with something flying).
Fleeing.
Showing distress, anxiety or other strong emotion.

afloat
In or into a state of floating.
In, or while in, a vessel at sea or on another body of water; at sea.
Under water (bearing floating objects).
In or into circulation or currency.
In or into a condition of stimulation, arousal, confusion, bewilderment, etc.

aflower
flowering, in bloom

aflush
flushed, blushing

aforegoing
preceding, going before.

aforesaide
Archaic spelling of aforesaid.

aforesayd
Obsolete spelling of aforesaid.

aforeshewn
Obsolete spelling of aforeshown.

aforetime
In time past; in a former time; formerly.

aforetyme
Archaic form of aforetime.

aforewrit
Synonym of aforewritten (“written previously”).

afrayed
Obsolete form of afraid.

afrothere
An afrotherian.

afterhand
Paid afterwards, rather than in advance.

aftermost
Nearest the stern of a vessel.
Most recent.

afternoonified
Smart, refined, or sophisticated.

agalactous
Lacking milk to suckle with.

agast
Alternative spelling of aghast.

agazed
Gazing with astonishment; amazed.

ageable
Capable of being aged; suitable for ageing.
Getting on in years; fairly old.

ageest
afraid, astonished

ageful
Aged, elderly, old.
Eternal, everlasting.

agefuls
plural of ageful

ageworthy
Worth being aged.

aggravable
aggravating

aggri
Alternative form of aggry.

aggry
Applied to a kind of variegated glass beads of ancient manufacture.

agible
Possible to be done; practicable.
Involving or pertaining to actions.

agminal
Pertaining to an army or a troop.
Of or pertaining to an agmen.

agminate
Grouped together.

agminated
agminate

ago
Before now, before the present time

agoe
Obsolete spelling of ago.

agon
A struggle or contest; conflict; especially between the protagonist and antagonist in a literary work.
An intellectual conflict or apparent competition of ideas.
A contest in ancient Greece, as in athletics or music, in which prizes were awarded.
A two-player board game played on a hexagonally-tiled board, popular in Victorian times.

agone
Alternative form of ago.

agones
plural of agon

agonic
Lacking an angle.
Having a magnetic deviation of zero.
Synonym of agonal.

agonics
plural of agonic.

agonistic
Of or relating to contests that were originally participated in by the Ancient Greeks; athletic.
Characterised by conflict or hostility.
Argumentative; combative.
Struggling to achieve an effect; strained and contrived.
Pertaining to an agonist.

agonistical
agonistic (of or relating to contests that were originally participated in by the Ancient Greeks).

agons
plural of agon

agreable
Obsolete spelling of agreeable.

agrestical
Obsolete form of agrestic.

agrestick
Archaic spelling of agrestic.

aguerried
accustomed to war

aguised
simple past and past participle of aguise

ahungered
Pinched with hunger; very hungry.

ahungry
hungry (for)

aidant
helpful, assisting

aieries
plural of aiery

aiery
Obsolete form of eyrie.

aiger
Alternative form of eagre; a tidal bore.
Alternative form of ague.

aigers
plural of aiger

ailer
comparative form of ail: more ail

ailest
superlative form of ail: most ail

akembo
Archaic form of akimbo (“with hands on hips and elbows outward”).

akind
Obsolete form of akin .

alabastre
Obsolete form of alabaster.

alabastres
plural of alabastre

alban
A white crystalline resinous substance extracted from gutta-percha by the action of alcohol or ether.

albane
Alternative spelling of alban.

albicant
Growing or becoming white.

albuminiparous
Producing albumin.

alcalizate
Obsolete form of alkalizate.

alcolizate
Alcoholic; distilled or fermented.

alderbest
Best of all.

alderleast
Least of all.

alderliefest
Often used as an epithet when addressing someone: most beloved.

alderlievest
Alternative form of alderliefest.

aldermanical
Synonym of aldermanic.

aldermost
Most of all.

aldern
Made of alder wood.

alderworst
Worst of all.

alecied
Drunk; inebriated; acting under the influence of ale or beer.

alert
Attentive; awake; on guard.
brisk; nimble; moving with celerity.

alerts
plural of alert

alexipharmacal
Alternative form of alexipharmic.

alexipharmacals
plural of alexipharmacal

alexipyretic
A medicine which reduces fever.

alexiteries
plural of alexitery

alexitery
An antidote to poison.

algebraick
Obsolete form of algebraic.

algerine
A type of loosely woven cloth in stripes of bright colors, used for scarves, shawls and similar.

algorismic
Obsolete form of algorithmic.

alienigenate
foreign-born

alimentous
Nourishing; nutritional.

alimonious
Affording food; nourishing.
Of or related to alimony or divorce.

alinasal
Pertaining to expansions of the nasal bone or cartilage.

aliseptal
Relating to expansions of the nasal septum.

aliue
Obsolete spelling of alive.

alkalious
alkaline

alkalizate
Alkaline.

alkin
Of all or every kind; all kinds or sorts of; intermingled and various.

alkine
Synonym of alkylamine.

alkines
plural of alkine

alkyne
A hydrocarbon containing at least one carbon–carbon triple bond.

alkynes
plural of alkyne

allarming
Obsolete spelling of alarming.

allective
An allurement, enticement.

allectives
plural of allective

allocate
To set aside for a purpose.
To distribute according to a plan, generally followed by the adposition to.
To reserve a portion of memory for use by a computer program.

allodian
Allodial.

allodiary
An allodium holder.

alloquial
Of or pertaining to a speech or address made to someone, particularly in a formal or public setting.

allowable
Appropriate; acceptable.
Intellectually admissible; valid; probable.
Able to be added or deducted in consideration of something.
Permissible; tolerable; legitimate.
Praiseworthy.

allperfect
Wholly perfect.

alluvious
alluvial

almain
Alternative form of Almain (“type of dance”).

almains
plural of almain

almight
almighty

almightiful
almighty; all-powerful

almsful
Likely to give alms; charitable.

almyghty
Archaic spelling of almighty.

alodiary
Alternative form of allodiary.

aloetick
Obsolete form of aloetic.

alonelier
comparative form of alonely: more alonely

aloneliest
superlative form of alonely: most alonely

alonely
Exclusive; sole; only.

alphabetary
alphabetic; rudimentary