One Word Substitution

A person who is 'belligerent' is hostile, aggressive, and prone to fighting or quarreling. This matches the definition of having a quarrelsome character.

A 'connoisseur' is an expert judge in matters of taste, especially in the fine arts. This is the precise term for someone who evaluates or judges fine art.

'Trumpery' refers to something that is showy or decorative but lacks real value or quality. It is synonymous with worthless finery.

An 'aggregate' is a whole formed by combining several elements or parts. It represents the sum total of various components.

A 'barricade' is a makeshift barrier, often constructed quickly during a protest or battle, to block passage or prevent entry.

A 'pragmatic' person or approach is concerned with practical results and sensible solutions rather than theoretical or idealistic considerations.

To be 'solicitous' means to show great interest, concern, or anxiety for someone's well-being or comfort.

'Surveillance' is the act of closely observing a person or group, especially those suspected of wrongdoing.

A 'bureaucracy' is a system of government in which most of the important decisions are made by state officials rather than by elected representatives.

'Polyandry' is the specific term for the practice or custom of a woman having more than one husband at the same time.

'Circumlocution' is the use of many words where fewer would do, often in a deliberate attempt to be vague or evasive.

An 'atheist' is a person who disbelieves or lacks belief in the existence of God or gods.

A 'credulous' person is one who is too ready to believe things, often without sufficient evidence; they are easily gullible.

'Equivocation' is the use of ambiguous language to conceal the truth or avoid committing oneself to a clear position.

A 'magnanimous' person is generous or forgiving, especially toward a rival or someone less powerful than themselves.

An 'omniscient' being is one that knows everything; the term is often used in the context of an all-knowing deity.

An 'ambidextrous' person is able to use the right and left hands equally well.

The idiom 'to hit it off' means to have a good relationship or get along well with someone immediately upon meeting.

'Quixotic' describes someone or something that is exceedingly idealistic, unrealistic, and impractical.

A 'plebiscite' is a direct vote by all the members of an electorate on an important public question, such as a change to the constitution.

Deteriorate means to become progressively worse or to decline in quality, condition, or functioning. It comes from Latin 'deterior' (worse). Extempore means improvised; belicose is a misspelling of belligerent (hostile); quixotic means impractical; plebiscite is a referendum vote.

Extempore refers to something spoken or done without preparation, which matches the definition of doing something on the spur of the moment. The other options refer to decay, deep-seated resentment, impractical idealism, or a public vote.

Rancour is defined as a long-standing bitterness or ill will. The other terms relate to monitoring, practicality, worthless items, or being eager to help.

To abrogate means to repeal or do away with a law or formal agreement. The other options refer to a person who denies God, a system of government, the ability to use both hands, or a marriage system.

A palliative is a medicine or treatment that reduces pain without curing the underlying cause. The other options refer to a defensive barrier, an expert, a total sum, or someone prone to fighting.