Vocabulary and Synonyms

A linguist is a person who specializes in languages and knows multiple languages. 'Library' is a collection of books, 'departure' means leaving, neither fits the definition of a multilingual person.

An optometrist is an eye care specialist who examines eyes and prescribes glasses or corrective lenses. The root 'opt-' relates to vision or eyes. Departure means leaving, widower is a man whose wife died, unique means one of a kind - none relate to vision care.

An oasis is a fertile spot in a desert where water is found, creating a shady, green area in an otherwise barren landscape. Orphan is a child without parents, suicide is self-killing, secular means non-religious - none describe desert vegetation.

Notorious means widely known for something bad or unfavorable - having an evil or infamous reputation. Nurse is a caregiver, kidnap is abduction, 'none of these' is incorrect since notorious fits perfectly.

A postmortem (or autopsy) is a medical examination of a dead body to determine the cause of death. The prefix 'post-' means after, and 'mortem' means death - examination after death. Suicide is self-killing, secular means non-religious, unique means one of a kind.

Polygamy is the practice of having more than one spouse (usually wife) at the same time. 'Poly-' means many, and 'gamy' refers to marriage. Voluntary means done by choice, insoluble means unable to be dissolved.

Incorrigible describes someone or something that cannot be corrected, reformed, or improved. The prefix 'in-' means 'not,' and 'corrigible' means capable of being corrected. Illegal means against the law, contagious means spreadable.

A sanatorium (also sanitarium) is a medical facility for long-term treatment of chronic illnesses or recovery, especially tuberculosis. The root relates to health or healing. Transparent means see-through, paramour is a lover, pessimist is a negative thinker.

A teetotaller is a person who completely abstains from drinking alcoholic beverages. The term originated from those who drank tea (T-total) instead of alcohol. Universal means relating to all, vegetarian means eating no meat.

The prefix 'ir-' means 'not' and 'reparable' means 'capable of being repaired'. Therefore, 'irreparable' refers to something that cannot be repaired or fixed. 'Illiterate' means unable to read or write, 'laundry' refers to clothes washing, and 'none of these' is incorrect since option B is correct.

'Popular' means liked, admired, or enjoyed by many people. The phrase 'one who is liked by people' directly describes someone who is popular. 'Pedestrian' relates to walking, 'panacea' is a cure-all, and 'turn' has multiple meanings but doesn't fit this context.

A 'veteran' is someone who has had long experience or practice in a particular field or activity. This matches the definition 'one who has long experience'. 'Panacea' means a solution for all problems, 'irritable' means easily annoyed, and 'none of these' is incorrect.

A 'mercenary' is a person who works or serves merely for money or material gain, often without regard to principle. This directly matches the definition given. 'Migratory' relates to movement from place to place, 'manifesto' is a public declaration, and 'museum' is a building for displaying artifacts.

'Waterproof' means impervious to water or unable to be penetrated by water, which matches the definition 'through which water cannot pass'. 'Optician' is an eye specialist, 'invincible' means unbeatable, and 'none of these' is incorrect.

Decency means propriety or correctness of behavior. The sentence demands that someone have the decency (basic courtesy) to apologize. Deadline means time limit, despair means hopelessness, dignity means self-respect, and disarray means disorder.