- Austral
- Autarky
- Authentic
- Authenticity
- Author
- Authoritarian
- Authoritative dicta
- Authorities
- Authorize
- Auto cad
- Autocratic
- Automated
- Automatic log on
- Automatically
- Autonomous
- Autonomus
- Auxiliary
- Avant-garde
- Avaricious person
- Avascular
- Avengeful
- Aversion
- Aversion therapy
- Avian influenza
- Avoid
- Avouch
- Avowal
- Avowedly
- Avulse
- Avuncular
- Awakening
- Award
- Awfully
- Awkward
- Awoke
- Awry
- Axe
- Axillary bud
- Ayacut
- Ayatollah
- Aye
- Ayurvedic treatment
- Ayyappa
- Azimuth
- Azotemia
- Absolvable
- Air
- Altaltissimo
- Ark
- Astron
- Ataxia, ataxia
- a bag of bones
- A bed roses
- A bird in a golden cage
- A bit
- A black sheep
- A black-leg
- A blank look
- A bull in a china shop
- A bun in the oven
- A capella
- A chorus of thanks
- A cold sweat
- A cubit
- A dirty trick
- A divine bird born of aruna and syeni
- A dog's death
- A figure of speech in which an indirect theme adduces to the direct
- A flower tree
- A forestation
- A founding father
- A fractuary
- A friend in need is a friend indeed
- A gamogenesis
- A good number of
- A good or great while
- A good second
- A good sort
- A hard life
- A herb
- A herb conceived as being capable of bringing the dead to life
- A large number
- A late hour
- A long face
- A long gasp
- A long time
- A magnetic personality
- A man of substance
- A man of the people
- A man ofwords
- A medicinal grass
- A morsel
- A nervous wreck
- A one parent family
- A page in history
- A patent lie
- A raw deal
- A real man
- A sacred poetical work
- A sadder and wiser man