- arrest of sexual development
- appreciator of merit
- a nine_day performance
- ansa subclavia
- ansar al islam
- aleutians
- aculeate
- alewife
- a watch tower
- a dancing hall
- a cottage
- a tiled shed
- a coffin
- amminization
- ammobium alatum
- aeroscope
- antisepticize
- a small round mark (of virmilion sandal
- augeas
- atomic warhead
- as plain as the nose on face
- as plain as a pikestaff
- asperities
- apogee
- aten
- antilles
- antilocapra americana
- archicerebellum
- algerie
- algeripithecus minutus
- atherosclerosis
- apodeictic
- aruru
- alpha geminorum
- arcton
- ateles geoffroyi
- ammons horn
- ambassador extraordinary
- Aberdeen Angus
- art critic
- anathana wroughtoni
- anathematisation
- acanthocephalan
- arrowworm
- alienism
- attractive nuisance
- anthropophagus
- anthropophagite
- au jus
- agnogenic