Adulterate

 Meaning: To corrupt; to make worse by adding something

Part of Speech: Verb

Sentence: Hospitals take strict precautions to assure that nothing adulterates the blood supply.

Synonym: Contaminate

Antonym:Purify

Ambidextrous

Meaning: Able to use both hands equally well, hypocritical

Part of Speach: Adjective

Sentence: The teacher discovered one of her students was ambidextrous.

Synonyms: versatile

Antonyms: clumsy

Augment

Meaning: To make larger, increase

Part of Speach: Verb

Sentence: Many people have to augment their income in order to pay the mortgage on a house.

Synonyms: enlarge, amplify

Antonyms: decrease, diminish

Bereft

Meaning: deprived of; made unhappy through a loss.

Part of Speech: Adjective or Participle

Sentence: Old people may eventually find themselves completely bereft of friends and family.

Synonyms:  bereaved

Antonyms: replete, well provided.

Deploy

Meaning: To position or arrange; to utilize; form up

Part of Speech: Verb

Sentence: A bugle call is a signal used to deploy troops.

Synonyms: station, organize

Antonyms:  N/A

Dour

Meaning : stern, unyielding, gloomy, ill-humored

Part of Speech: Adjective

Sentence:  Dickens's Mr. Gradgrind in the novel Hard Times is an example of a character with a dour and sullen disposition.

Synonyms: harsh, bleak, forbidding, saturnine

Antonyms: cheery, inviting, genial

 Fortitude

Meaning: Courage in facing difficulties

Part of Speech: Noun

Sentence: The residents of the Mississippi delta showed remarkable fortitude during and after the flood.

Synonyms: resolve, steadfastness, mettle

Antonyms: Fearfulness, timidity, faintheartedness

Gape

Meaning:  Tostare with open mouth

Part of Speech:  Verb

Sentence: First-time visitors to the Capital can be expected to gape.

Synonym: gawk, ogle

Antonym: N/A

Gibe

Meaning: 1. to utter taunting words 2. an expression of scorn

Parts of Speech:  1 is a verb. 2 is a noun

Sentence: 1.The recruits rushed into battle so that no one could gibe at them. 

2. Voters may reject a candidate who reorts to personal gibe instead of the issues.

Synonyms: 1. ridicule, mock, deride, jeer. 2. N/A

Antonyms: 1. N/A 2. compliment, praise

Guise

Meaning:an external apperance, cover,mask

Part of Speech: Noun

Sentence:  The thieves gained entry to theome by persenting themseleves in the guise of police officers.

Synonoms: costum, semblance, pretense

Antonyms: N/A

 Insidious

Meaning:  deceive or entrap sly,treacherous

Part of Speech: Adjective

Sentence:The investigators uncovered an insidious scheme to rob people of their life savings.

Synonyms: cunning, underhanded, perfidious

Antonyms: frank, ingenuous, aboveboard

Intimation

Meaning:a hint, indrect suggestion

Part of Speech: noun

Sentence:The were too proud to give any intimation their financial difficulties.

Synonyms: clue, indication, inkilling

Antonyms: N/A

Opulent

Meaning:wealthy,luxurious;ample;grandiose

Part of Speech: Adjective

Sentence:The tour giude showed us the opulent living quarters of the royal family.

Synonyms:rich, lavish,plentiful,abundant

Antonyms:poverty-stricken,wretched,destitute

Pliable

Meaning: easily bent, flexible; easily influenced

Part of Speech: Adjective

Sentence: Spools of pliable copper wire are stander equipment for many kinds of maintenace workers,including electricians.

Synonyms:supple, adaptable, resillent

Antonyms:rigid,inflexible,recalcitrant

Reiterate

Meaning:to say agin, repeat

Part of Speech: verb

Sentence:Effective speakers often reiterate an important statment for emphasis.

Synonyms:restate, rehash, recapitulate

Antonyms: N/A

Stolid

Meaning: not easily moved mentally or emotionunally;dull, unresponsive

Part of Speech: Adjective

Sentence: Stolid people can generally be expected to take most thing in stride.

Synonyms: impassive,phlegmeatic

Antonyms:emotional, oversenstive, high-strung

Tentative

Meaning:experimental in nature;uncertain,hesitant

Part of Speech: Adjective

Sentence: Negotiatators have come up with a tentative agreement that will keep both sides at the bargaining table past the strike.

Synonyms:provisional,inconclusive

Antonyms:definite,conclusive,confirmed

Unkempt

Meaning: not combed;untidy;not properly maintained; inpolished,rude

Part of Speech: Adjective

Sentence: According to my parents, the latest fashionns make me and my friends look unkempt.

Synonyms:sloppy,disheveled,disordered,rough

Antonyms:well-groomed,tidy,neat,natty

Verbatim

Meaning: word for word; exectly as written or spoken

Part of Speech: Adjective or Adverb

Sentence:Newspapers often publish the verbatim text of an important political speech.

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

Antonyms:(adj.)paraphrased

Warily

Meaning: cautiously,with great care

Part of Speech: Adverb

Sentence: The hikers made their way warily up the steep and rocky trail. 

Synonyms: carefully, prudently, gingerly

Antonyms:reckless, heedlessly, incautiously