Meaning: lose or cause to lose lustre, especially as a result of exposure to air or moisture
Synonym: discolour, stain, rust, oxidize, corrode, deteriorate;
Antonym: brighten, polish
Sentence: "silver tarnishes too easily"
Meaning: the doctrine or belief that there is only one God.
Sentence: In my church we believe in monotheism, the idea of a solitary god.
Meaning: (of a task or responsibility) involving a great deal of effort, trouble, or difficulty.
Synonym: burdensome, heavy, inconvenient, troublesome,
Antonym: easy, effortless
Sentence: "he found his duties increasingly onerous"
Meaning: the saying of the same thing twice over in different words, generally considered to be a fault of style
Synonym: repetition, repetitiveness
Sentence: When the lawyer spoke to the jury, he used tautology to make the jurors aware of his point without being repetitive.
Meaning: cause (someone) to feel very embarrassed or ashamed.
Synonym: embarrass, humiliate, chagrin,
Antonym: indulge, heal
Sentence: "she was mortified to see her wrinkles in the mirror"
Meaning: excessive confidence or boldness; audacity
Synonym: audacity, boldness
Sentence: "no one had the temerity to question his conclusions"
Meaning: (of a thing) in terminal decline; lacking vitality or vigour.
Synonym: waning, dying, stagnating, stagnant, decaying,
Antonym: thriving, recovering, flourishing
Sentence: "the moribund commercial property market"
Meaning: send (someone) back to their own country.
Synonym: rehabilitation, reinstatement
Antonym: penalty, abolition.
Sentence: "the last German POWs were repatriated in November 1948"
Meaning: so lacking in originality as to be obvious and boring.
Synonym: trite, hackneyed, clichéd, platitudinous
Sentence: "songs with banal, repeated words"
Meaning: a small quantity of a particular thing, especially something desirable or valuable
Synonym: particle, degree, speck, fragment, scrap,
Sentence: "his statement had a modicum of truth"