(v.) to corrupt , make worse by addition of something of lesser value

Hospitals take strict precautions to assure that nothing adulterate the blood supply. 

Synonyms: contaminate, pollute, sully

Antonyms: purify, purge, expuragate

(adj.) able to use both hands equally well; very skillful deceitful, hypocritical

Occasionally a teacher will come acros a child who displays ambidextrous abilities when taught to write.

Synonyms: versatile, facile

Antonyms: clumsy, all thumbs, maladroit

(v.) to make larger, increase

Many couples have to augment their income in order to pay the mortage on a new home.

Synonyms: enlarge, supplement, amplify

Antonyms: decrease, diminish

(adj., part) deprived of; made unhappu through a loss 

Individuals who live to be very old may eventually find themselves completely bereft.

Synonyms: bereaved

Antonyms: replete, well provided

(v.) to position or arrange; to utilize; to form up

A bugle call is a signal used to deploy troops for inspection, parade, or battle. 

Synonyms: station, organize

(adj.) stern, unyeilding, gloomy, ill-humored

Dickense's Mr. Gradgrind in the novel Hard Times is an example of a characterwith a dour and sullen disposition.

Synonyms: harsh, bleak, forbidding, saturnine

Antonyms: cheery, inviting, genial

(n.) courage in facing difficulties

The residents of the Mississippi delta showed remarkable fortitude during and after the flood that destroyed their home and businesses.

Synonyms: steadfastness, mettle

Antonyms: fearfulness, timidity, fainheartedness

(v.) to stare with open mouth ; to open mouth wide; to open wide

First time visitors to Niagara Falls can be expected to gape at the spectacular sights nature has provided for them.

Synonyms: gawk, ogle 

(v.) to utter taunting words: (n.) an expression of scorn 

The recruits rushed into battle so that no one could gibe at them for cowardice

Votorsmay reject a candidate who resorts to personal gibe instead of discussing the issues.

Synonyms: (v.) ridicule, mock, deride, jeer

Anonyms: (n. compliment, praise

(n.) an ecternal appearance, cover mask 

The thievesgained entry to the home by presenting themselves in the guise of police officers.

synonyms: costume, semblance, pretense

(adj.) intended to deceive or entrap; sly, treacherous

the investigators uncovered an insidious scheme to rob people of their life savings.

Synonyms: cunning underhanded, perfidious

Antonyms: frank. ingenuous, aboveboard

(n.) a hint, indirect suggestion

They were too proud to five any intimation their financial.

Synonyms: clue, indication, inkling

(adj.) wealthy, luxurious; ample; gradiose

The tour guide showed us the opulent living quarters of the royal family.

Synonyms: rich, lavish, plentiful, avundant

Antonyms: poverty- stricken, wretched, destitute

(adj.) easily bent, flexible, easily influenced

Spools of pliable copper wire are standard equipment for many kinds of maintenanve workers, including electricians.

Synonyms: supple, adaptable, resilient

Antonyms: rigig]d, inflexible, recapitulate

(adj.) to say again, repeat

Effectivespeakers often reiterate an important statement for emphasis

Synonyms: restate, rehash, recapitulate

(adj.) not easily moved mentally or emotionally; dull, unresponsive

Stolid people can generally be expected to take most things in stride.

Synonyms: impassive, phlegmatic

Antonyms: emotional, oversensitive, high strung

(adj.) experimental in nature; uncertain, hesitant

Negotiators have come up with a tentative agreement that will keep both sides at the bargainingtable past the strike deadline.

Synonyms: provisional, inconclusive

Antonyms: definite, conclusive, confirmed

(adj.) not comved; untidy ; not properly maintained; unpoliished, rude

Accordingto my parents, the latest fashionsmake me and my friends look unkempt.

Synonyms: sloppy, disheveled, disordered, rough

Antonymswell groomed, tidy, neat, natty

(adj., adv.) word for word; exactly as writtenor spoken

Newspapers often publish the verbatim tect of an important political speech.

At the swearing in ceremony, the Chief Justice reads each line of the Oath of Office, and the new President repeats it verbatim.

Synonyms: (adj.) exact; (adv.) precisely

Antonym: (adj.) paraphrased

(adv.) cautiously, with great care

The hikers made their way warily up the steepand rocky trail.

Synoyms: carefully, prudently, gingerly

Antonyms: recklessly, heedlessly, incautiously