- Authentically
- Authorative person
- Authorial
- Authorise
- Autoradiograph
- Autosomal chromosome
- Autotrophic
- Auxiliary bishop
- Availability
- Available resources
- Avarice
- Avenue
- Averse
- Aviation
- Aviatrix
- Aviculture
- Axiomatic
- Axis neutral
- Axle
- Ayodhya
- Azoic
- Absolutist
- Aero
- 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 mad dash
- A mad scramble
- A man of senses
- A matter of course
- A medicinal herb
- A medicinal plant
- A momant
- A musical drum
- A pair
- A peg to hang on
- A pinch of
- A pipe-dream
- A table-land
- A tree
- A war bride
- A war veteran
- A wet nurse
- A white elephant
- A yadava
- Aaronic
- Ab ovo
- Aberrate
- Aberration
- Abettor
- Abhorence
- Abidance
- Abject
- Abjectness
- Abl
- Ablate
- Ablaze
- Ablepsy
- Ablutions
- Abm
- Abnormal
- Abnormality
- Above price
- Abracadabra
- Abracos
- Abrade
- Abrading
- Abrandant
- Abrasively
- Abrasiveness
- Abreast
- Abridged
- Abrupt
- Abruptness
- Abscond
- Absconded out
- Absconding
- Abseil
- Absence
- Absent
- Axilla
- Absurd
- Absurdism
- Absurdity
- Abundantly
- Abused
- Abutting
- Abysmal
- Ac
- Acc
- Accelerated