12-letter words starting with a
- adminiculate — to attest or corroborate; to confirm or affirm as true
- administered — Simple past tense and past participle of administer.
- administrant — a person who administers
- administrate — to manage or direct (the affairs of a business, institution, etc)
- admirability — the quality of being admirable
- admonishment — to caution, advise, or counsel against something.
- admonitorily — in an admonitory manner
- adolescences — the transitional period between puberty and adulthood in human development, extending mainly over the teen years and terminating legally when the age of majority is reached; youth.
- adolescently — in an adolescent manner
- adolf hitler — Adolf [ad-olf,, ey-dolf;; German ah-dawlf] /ˈæd ɒlf,, ˈeɪ dɒlf;; German ˈɑ dɔlf/ (Show IPA), (Adolf Schicklgruber"der Führer") 1889–1945, Nazi dictator of Germany, born in Austria: Chancellor 1933–45; dictator 1934–45.
- adoptability — the quality or extent of being adoptable
- adorableness — very attractive or delightful; charming: What an adorable hat!
- adrenalizing — to stir to action; excite: The promise of victory adrenalized the team.
- adrenochrome — a chemical pigment produced by the oxidation of adrenaline
- adrian quist — intoxicated; drunk
- adrianopolis — Edirne
- adriatic sea — an arm of the Mediterranean between Italy and the Balkan Peninsula
- adscititious — added or supplemental; additional
- adularescent — (of minerals, such as moonstone) having or emitting a milky or bluish iridescence
- adulterating — Present participle of adulterate.
- adulteration — an adulterating or being adulterated
- adulteresses — Plural form of adulteress.
- adulterously — In a adulterous manner.
- advance copy — a copy of a book, speech etc released to the media, reviewers, etc before it is published, delivered, etc and before it is necessarily in its final state
- advance poll — (in an election) a poll held prior to election day to permit voters who expect to be absent then to cast their ballots
- advancements — Plural form of advancement.
- advantageous — If something is advantageous to you, it is likely to benefit you.
- adventitious — added or appearing accidentally or unexpectedly
- adventureful — an exciting or very unusual experience.
- adventurists — Plural form of adventurist.
- adverb group — An adverb group or adverbial group is a group of words based on an adverb, such as 'very slowly' or 'fortunately for us'. An adverb group can also consist simply of an adverb.
- adverbialize — to make (a word) into an adverb
- adversaryism — an attitude, as in labor-management negotiations, that any opposition to demands indicates an unwillingness of one side to cooperate and bargain in good faith.
- adversatives — Plural form of adversative.
- advertisable — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- advertorials — Plural form of advertorial.
- advisability — proper to be suggested or recommended; desirable or wise, as a course of action: Is it advisable for me to write to him?
- aelurophilia — ailurophilia.
- aelurophobia — ailurophobia.
- aeolian harp — a stringed instrument that produces a musical sound when a current of air or wind passes over the strings
- aeolian mode — an authentic church mode represented on the white keys of a keyboard instrument by an ascending scale from A to A.
- aeolian tone — the musical tone produced by the passage of a current of air over a stretched string, etc, as in an aeolian harp
- aerial input — a socket for an aerial
- aerification — an act of combining with air.
- aeroacoustic — Relating to aeroacoustics.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aerodynamics — Aerodynamics is the study of the way in which objects move through the air.
- aeroelastics — the study of aeroelastic phenomena.
- aeroembolism — an embolism of air bubbles often caused by surgery, induced abortion, or decompression sickness
- aeromagnetic — of magnetism in the atmosphere