- abandoned
- abandoning
- abnormal
- aboard
- abruptly
- absently
- absolutely
- absorbed
- absorbed in his thoughts
- abundance
- acceleration
- accelerator
- access
- accessories
- accomodate
- accomplice
- accomplished
- accost
- accosted
- accuracy
- accurate
- accursed
- accusation
- accuse
- accustomed to
- ace pilot
- acknowledge
- acquire
- acre
- acrimonious
- activated
- adamant
- adjoined
- adjusting
- admiration
- admire
- admirer
- admit
- admonish
- adoration
- adroit
- advantages
- affection
- affiliated
- affluent
- aggressive
- agile
- agility
- agitated
- agitation
- agonizing
- aide
- air pressure
- airboat
- airborne
- aisle
- ajar
- alacrity
- alarm
- alcove
- alias
- alight
- alighted
- allegations
- allergic
- allergy pills
- alley
- alliance
- allure
- almighty
- aloft
- alongside
- altar
- alter
- altercation
- amateur
- amateurish
- amazement
- amber
- amble
- ambling
- amethyst
- amiably
- amid
- amidship
- amusement
- anchor person
- anchorage
- ancient history
- anguish
- animated
- ankle
- annals
- announce
- announced
- announcement
- annoyance
- anteater
- antelope
- anticipate
- antics
- antigravity
- antique
- antique shop
- antlers
- antsy
- anxiously
- apothecary
- appalled
- applause
- appraise
- appreciated
- apprehended
- apprehension
- approach
- approximation
- april fool
- apron
- aptitude
- arachnid
- arbor
- arc
- arch
- archenemy
- arching
- arcing
- aroma
- aromatherapy
- arrange
- arrangement
- arrest
- arrival
- arson
- arsonist
- article
- artisan
- ascend
- ashtray
- aspirant
- assault
- assaulting
- assemblage
- assemble
- assembly
- assess
- assignment
- assistance
- assume
- astonished
- astounded
- astounding
- astronomical
- at stake
- atlas
- atrium
- attach
- attempt
- attraction
- auburn
- audacity
- auditioning
- augment
- authority
- autograph
- automatically
- automaton
- avail
- avid
- avoid
- avoided
- await
- awaken
- award
- awe
- awful
- awhile
- awkward
- awning
- axle
 |
 |
| being on a bus, train, ship, or plane | |
| The train conductor called, "All aboard! " to tell anyone with a ticket that they need to get on now, because the train will leave very soon. |