ARTILLERÍA, artillery
ARTISTA, artist
ARTÍSTICO (A), artistic
ARTRÍTICO (A), arthritic
ARTRITIS, arthritis
ASALTANTE, attacker, assailant, raider
ASALTO, assault, robbery, attack
ASAMBLEA, assembly, meeting, law body
ASBESTO, asbestos
ASCENDENTE, ascending, rising, increasing, ascendant
ASCENSIÓN (f) ó ASCENSO (m), ascent, rise
ASCENSOR, elevator
ASÉPTICO (A) (adj), aseptic (MED); detached
ASERCIÓN (f) ó ASERTO (m), assertion, declaration
ASEVERACIÓN, contention, claim, affirmation, assertion
ASFALTO, asphalt, blacktop
ASFIXIA, suffocation, asphyxiation; asphyxia
ASFIXIANTE, stifling, asphyxiating; suffocating
ASIGNACIÓN, assignment, allocation, allowance
ASIMÉTRICO (A), asymmetrical; asymmetric
ASIMILACIÓN, assimilation, absorption
ASISTENTE, orderly (MIL); assistant, helper
ASMA, asthma
ASMÁTICO (A), asthmatic
ASOCIACIÓN, association, union, organization, society
ASOCIADO (A), associated, affiliated, aligned, united
ASPECTO, aspect, look; face, bearing; appearance
ASPIRACIÓN, inhalation (MED); short pause (MUS)
ASPIRANTE, aspiring; candidate, applicant
ASPIRINA, aspirin
ASTERISCO, asterisk
ASTEROIDE, asteroid
ASTIGMATISMO, astigmatism
ASTRINGENTE, astringent
ASTRO, star, heavenly body; movie star
ASTROLOGÍA, astrology
ASTRÓLOGO (A), astrologer, astrologist
ASTRONAUTA, astronaut
ASTRONOMÍA, astronomy
ASTRONÓMICO (A), astronomical
ASTRÓNOMO (A), astronomer
ASTUCIA, cunning, astuteness, cleverness, guile
ASTUTO (A), astute, clever; crafty, sly
ATÁVICO (A), atavistic
ATEMPORAL, timeless, everlasting, immortal, endless
ATENCIÓN, attention; concentration; regard
ATENTAMENTE, attentively, intently, carefully
ATENTO (A), attentive, watchful, alert, aware
ATENUANTE, extenuating, mitigating, tempering
ATESTADO (A), affidavit, statement; packed/stuffed with
ÁTICO, attic, penthouse
ATÍPICO (A), atypical, exceptional
ATLÁNTICO, Atlantic (ocean, seaboard)
ATLÉTICO (A), athletic
ATMÓSFERA, atmosphere
ATMOSFÉRICO (A), atmospheric
ATOLÓN, atoll
ATÓMICO (A), atomic
ÁTOMO, atom
ATONÍA, lethargy, apathy, indifference
ÁTONO (A), atonic, unstressed
ATRACCIÓN, attraction, attractiveness, charm
ATRACTIVO (A), attractive person, idea, offer; appeal
ATRIBUCIÓN, attribution; assignment, connection (POL)
ATRIBUTIVO (A), attributive
ATRIBUTO, attribute, characteristic, quality
ATROCIDAD, atrocity, outrage, crime, offense
ATROFIA, atrophy (MED), deterioration
ATROZ, atrocious; cruel, inhuman
AUDACIA, audacity, boldness; imprudence; rashness
AUDAZ, bold, audacious, daring, intrepid
AUDICIÓN, audition, concert; medical hearing
AUDIENCIA, audience
AUDITORIO, auditorium, hall
AUGUSTO (A) (adj), august, venerable, impressive
AUMENTO, increase, rise; magnification
AURORA, dawn
AUSPICIOS, sponsorship; protection, support
AUSPICIOSO (A), promising, encouraging, favorable
AUSTERIDAD, austerity
AUSTERO (A), austere
AUTENTICIDAD, authenticity
AUTÉNTICO (A), genuine, real, authentic
AUTISMO, autism
AUTISTA, autistic
AUTOADHESIVO (A), self-adhesive
AUTOBIOGRAFÍA, autobiography
AUTOBIOGRÁFICO (A), autobiographical
AUTOBÚS, bus
AUTOCOMPASIÓN, self-pity
AUTOCONTROL, self-control
AUTOCRÍTICA, self-criticism
AUTODEFENSA,
