a.

Unique, singular, sui generis.

A situation where problems or tasks keep reappearing repeatedly.

In an ostentatious manner of richness or style.

Something that is both a benefit and an affliction.

A step or action that is too ambitious; an act of overreaching.

The time of occurrence of an event that will never happen.

So common as to be practically or almost worthless.

A great distance from something or somewhere.

Very much; to a great extent; a lot; lots.

Very much; to a great extent; a lot; lots.

A level of effort beyond what one can usually sustain; great exertion.

To a small extent; in a small amount; rather.

superior to; of a higher quality than

Very likely; almost certainly.

So as to respond to an action with an equivalent action; tit for tat.

Some unspecified time in the future.

The period defined as the legal limit of time for an act or event, to ensure a full year by any method of reckoning.

Into a sudden state of collapse or astonishment.

Usually used after the verb cost, but also often charge, pay, and spend: a very high price for an item or service; an exorbitant price

A brief answer or opinion.