One Word Substitution (Alphabet A-D)

Word	Meaning
Abbreviation	A shortened form of a word or phrase
Abolish	Do away with wholly
Accelerate	To increase the speed; to hasten the progress of
Accountable	Liable to be called to account
Actuary	One who calculates premium
Adolescence	The period between childhood and adulthood
Aggravate	To increase the gravity of an offence or the intensity of a disease
Aggressor	A person who attacks first
Agnostic	One who doubts the existence of god
Alienate	To turn friends in enemies
Altruist	A person who loves every body
Amateur	One who does something not professionally but for pleasure
Ambidextrous	Of a person who can use both hands equally well
Ambiguous	A sentence whose meaning is unclear
Ambivalent	Having opposing feelings
Amnesty	General pardon
Amphibian	A land animal that breeds in water
Anarchist	One who is out to subvert a government
Anarchy	Absence of government
Anonymous	A book written by an unknown author
Answerable	A person liable to be called to account for his action
Antedate	To date before the true time
Anthropology	A study of man
Antidote	A medicine to counteract the effect of another medicine
Antiseptic	A medicine that prevents decomposing
Antonym	A word opposite in meaning to another
Appreciate	To rise in value
Arbitrator	A person appointed by parties to settle the disputes between them
Archaeology	A study of ancient things
Aristocracy	A Government by the Nobles
Arsenal	A place where weapons and ammunitions are stored
Atheist	One who does not believe in the existence of God
Audience	An assembly of hearers at a lecture or concert
Auditor	One who makes an official examination of accounts
Autobiography	A life history written by oneself
Autocracy	A Government by one
Avaricious	Of a person extremely desirous of money
Behead	Cut off the head
Bibliophile	A great lover of books
Bigamy	Practice of having two wives or husbands
Bigot	One who has narrow and prejudiced religious views
Bilingual	A person who speaks two languages
Biography	A life history written by somebody else
Biology	The science which treats with life
Botany	The branch of biology dealing with plant life
Brittle	Hard but liable to be easily broken
Bureaucracy	A Government by the officials
Callous	A man devoid of kind feeling and sympathy
Cannibal	Of a man or animal that feeds on its own species
Carnivorous	A flesh eating animal
Catalogue	A list of books
Celibacy	Abstinence from sex
Celibate	One who is unmarried
Centenarian	A person who is above hundred years
Centenary	Celebration of a hundredth year, once –a-century
Colleague	A co-worker or a fellow-worker in the same institution
Congenital	Belonging or pertaining to an individual from birth
Contemporaries	People living at the same time
Contemporary	Belonging to the same period of time
Convalescent	One who is recovering from illness
Cosmology	Science of origin of universe
Cosmopolitan	One who can make himself at home in all countries
Cosmopolite	A citizen of the world
Credulous	A person who readily believes whatever is told to him/her.
Cynic	One who questions everything
Delegate	To give one
Democracy	Government of the people, for the people, by the people
Depreciate	To go down in value
Deteriorate	To go from bad to worse
Disenfranchisement	To take away some one
Draw	A game in which neither party wins
Drawn/ Tie	A game or batter in which neither party wins