Vocabulary and Synonyms

affable & courteous

A deterrent is something that discourages or prevents an action, which is the same as restraint of action. Uncertainty means doubt, Objection means opposition, Deviation means departure from a standard.

Dogmatic means asserting opinions in an arrogant or stubborn way, which is the same as being excessively opinionated. The other choices don't capture this meaning.

digressive, shifting from one subject to  another

This is the correct option.

This is the correct option.

This is the correct option as retrospect implies a look back in thoughts.

A representative is someone chosen to act or speak on behalf of others, which matches the meaning of 'delegate'. The word comes from Latin 'repraesentare' meaning 'to present again' or 'to stand in place of'.

Active means characterized by energetic activity, engagement, or movement. Dynamic is a synonym meaning characterized by constant change, activity, or progress. Both words convey similar meanings of being in motion or operation.

"Distinction": A difference is a distinction which makes it different from something else.

Decline can mean a downward turn or gradual deterioration. A debacle is a sudden and ignominious failure, often involving disaster or collapse. While decline is usually gradual, a debacle is its more catastrophic form - a sharp, disastrous fall.

Unaccountable means unable to be explained or justified, which matches the meaning of inexplicable. Something that is unaccountable defies understanding or cannot be accounted for through normal reasoning.

Slaughter means the killing of people or animals in a brutal or violent manner. Massacre is a perfect synonym, specifically referring to the indiscriminate and brutal killing of many people.

Draw means to portray, depict, or sketch something visually. The other options are unrelated: Portable means easily carried, Tense means stretched tight, and Insane means mentally ill.

Ill-luck means bad fortune or misfortune. Penniless means having no money (related to poverty, not luck), Member refers to belonging to a group, and None of these is incorrect since A is correct.