Synonyms

The word "pedagogue" means a teacher or educator, so the synonym is "teacher." The other options do not share this meaning.

The word "chagrin" means distress or embarrassment at having failed or been humiliated. "Mortification" similarly means great embarrassment or shame, making it the correct synonym. The other options do not share this meaning.

The word 'acumen' means the ability to make good judgments and quick decisions, typically in a particular domain. 'Keenness' closely matches this meaning as it implies sharpness or quickness of perception, making it the best synonym among the options.

A "redoubt" is a small, often temporary, fortification or defensive structure. Therefore, "fortification" is the most accurate synonym among the options provided.

The term "incommunicado" means not able or not allowed to communicate with others, often implying silence or secrecy. "Close-mouthed" is a synonym meaning unwilling to speak or reveal information, which aligns well with "incommunicado." Option D, "without means of communication," is a descriptive phrase but not a direct synonym.

The word 'repatriate' means to send someone back to their own country or to return home. Therefore, 'to return home' is the correct synonym.

The word "bonanza" means a situation or event that creates a sudden increase in wealth, good fortune, or a windfall. Among the options, "windfall" is the closest synonym, meaning an unexpected gain or piece of good fortune.

A quorum is the minimum number of members required to be present for a meeting to be valid, so 'necessary number of members' correctly captures this meaning.

The word "interpolate" means to insert something, especially into a text or conversation. Therefore, "insert" is the correct synonym among the options provided.

The word "prognosis" refers to a forecast or prediction, especially about the likely course of a disease or situation. Among the options, "forecast" is the closest synonym, making option B correct.

An embargo is an official ban or prohibition on trade or other commercial activity with a particular country. Therefore, 'prohibition' is the correct synonym.

The word "serene" means calm, peaceful, and untroubled. Among the options, "calm" is the closest synonym, making option D correct.

The word "variegate" means to diversify in appearance, especially by marking with different colors. Therefore, "multi-color" is the correct synonym among the options provided.

The word 'adversity' means difficulties or misfortune, so its synonym is 'hardship'. The other options do not share this meaning.

The word "inexplicable" means something that cannot be explained or understood. "Unexplainable" is a direct synonym, making option C the correct answer.

The word "stodgy" means dull, boring, or old-fashioned, so the synonym "dull" correctly matches its meaning. Other options like "sturdy," "blunt," and "obstinate" do not convey the same sense.

The word "frugality" means the quality of being economical or thrifty with resources. Among the options, "thrift" is the synonym that best matches this meaning, while the others have unrelated meanings.

The word 'disparity' means a great difference or inequality between two or more things. Therefore, 'difference' is the correct synonym among the options provided.

The word 'wraith' means a ghost or ghostlike image of someone, especially one seen shortly before or after their death. 'Apparition' similarly means a ghost or ghostly figure, making it the correct synonym. The other options do not relate to the meaning of 'wraith'.

The word "bombastic" means using high-sounding language with little meaning, often inflated or pompous. Among the options, "inflated" best matches this meaning as a synonym.

An "effigy" is a sculpture or model of a person, often used as a representation or proxy. Among the options, "proxy" is the closest synonym as it can mean a substitute or representative, aligning with the idea of an effigy representing someone. The other options do not relate to the meaning of "effigy."

The word "decorous" means proper, polite, and in good taste. Among the options, "proper" is the closest synonym, making option D correct.

The word "eschew" means to deliberately avoid or abstain from something. Therefore, "to avoid" is the correct synonym.

The word 'paroxysm' refers to a sudden, intense burst of emotion or activity, often a spasm or convulsion. Among the options, 'spasm' is the closest synonym, as it denotes a sudden involuntary contraction, aligning with the meaning of 'paroxysm.'

The word "pedigree" refers to the recorded ancestry or lineage of a person or animal, making "ancestral line" the closest synonym among the options. The other options do not convey the meaning of lineage or ancestry.