- Auspiciousness
- Auger
- Augment
- Augural
- Auhenticating
- Auntie
- Aura
- Aurora borealis
- Auscultation
- Auspicious function
- Auspicious sound
- Auspicious woman
- 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
- As such
- Atomism
- Absolutist
- Aero
- Alienist
- Almirah
- Amen!
- Antiquarianism
- Arm
- Atdm
- A
- A bad patch
- A bed of thorn
- A big name
- A bird in the hand is worth two in the bush
- A bit thick
- A capital offence
- A caste title
- A cheat
- A chip of the old block
- A confirmed bachelor
- A cross-breed of male horse and female deer
- A drop in the ocean
- A fair treat
- A feather in one's cap
- A fellow believer
- A few
- A fight to the finish
- A fighting chance
- A figure of squaresused in holy spells
- A fly on the wall
- A gem
- A good deal
- A good or great many
- A hen party
- A herb with the smell of camphor
- A historical
- A hollow laughter
- A la
- A labour of love
- A little only
- A mad dash
- A mad scramble