one word substitute

Person who looks at the dark side of everything

pessimist

Person who looks at the bright side of everything

optimist

Woman having many husbands at the same time

polyandry

Plurality of wives

polygyny

One who eats everything

omnivorous

Animal that eats flesh or other animals

carnivorous

Animals that can live on land and water

amphibians

Person who knows or can speak many languages

polyglot

Easy to carry over long distance

portable

An object through which light passes but people cannot see across clearly

translucent

An object through which light passes and one can see through

transparent

A child born after the death of its father

posthumous child

A person who can use both hands with equal facility

ambidexterous

A speech without any previous preparation

extempore

A speech made by a speaker for the first time in a particular gathering

maiden speech

A hater of women

misogynist

One who hates mankind

misanthrope

A physician who specializes in diseases of skin

dermatologist

A physician who specializes in heart diseases

cardiologist

A physician/surgeon dealing with diseases of the female reproductive system

gynaecologist

Specialist in bone or skeleton disorders

orthopaedician

Specialist of eye diseases

opthalmologist

Specialist of diseases of infants

paediatrician

Disease that spreads by contact

contagious

Disease that spreads by means of germs carried in the atmosphere

infectious

Disease that affects a large number of people in an area at the same time

epidemic

Killing of a human being

homicide

Systematic extermination of a race or community

genocide

Act of murdering one's mother

matricide

Act of murdering one's father

patricide

Act of ending one's life

suicide

Killing of one's brother or sister

fratricide

Study of the origin and history of words

etymology

A sleeping room for a number of people

dormitory

Using ambiguous words to conceal the truth

equivocal

One who can be easily duped or fooled by any swindler

gullible

Uniform in structure or composition throughout

homogeneous

Words differing in meaning from another word with same sound

homonym

Something occuring at irregular intervals of time or occasionally

sporadic

Power of reading the thoughts or mind of others

telepathy

Woman whose husband has died and who has not remarried

widow

Man whose wife has died and who has not remarried

widower

Murder of a king

regicide

Hater of learning and knowledge

misologist

Person who loves mankind

philanthropist

Murder of an infant or a new-born baby

infanticide

The state of being married

matrimony

Practice of having only one wife or husband at a time

monogamy

Dramatic scene in which a person speaks by himself

monologue

Short speech or poem given at the end of a play or book

epilogue

Introductory part or lines to a discourse or play

prologue

Account of a person's life written by another

biography

Account of a person's life written by himself

autobiography

Person who is hard to please

dissenter

Person who does not believe in God

atheist

Person leading a life of strict self-discipline

ascetic

Person who is interested in antiquities

antiquarian

Person more like a woman than a man

effeminate

Honourable discharged from service

emeritus

Person of strong conviction or prejudice, especially in matters of religion

bigot

Incapable of being corrected

incorrigible

One who pretends to be what he is not

hypocrite

One who is all powerful

omnipotent

One who studies the origin, development and structure of people and their societies

anthropologist

A student of antiquities

antiquary

One who uncovers and studies the remains of early human cultures

archaeologist

One who studies insects

entomologist

One who writes or compiles a dictionary

lexicographer

One who collects and studies stamps

philatelist

A student of words and languages

philologist

One who studies the development and structure of animals

zoologist

Study of scientific farming

agronomy

The development of man

anthropology

Science of environment

ecology

Scientific study of insects

entomology

Science of origin of races

ethnology

Study of causes of diseases

etiology

Study of derivation of words

etymology

Study of heredity of individuals

genetics

Study of rocks, soils and minerals

geology

Study of birds

ornithology

Study of past life forms through fossils

paleontology

Study of words or literature

philology

Science of earthquakes and earth's movements

seismology

Study of religion

theology