busiest

1. 1
   adjective

   Superlative of busy.

   This intersection is the busiest in the entire city.

   The airport is at its busiest in the days before the holidays.

   Note

   The ordinary superlative is made by adding -est to busy, and the final y turns to i before the suffix, as in happiest and tidiest. It ranks places and times as readily as people: a station can be the busiest outside London, and an ordinal can narrow the ranking, as in the fifth busiest overall. The same spelling also serves the archaic verb form used with thou, so context decides which is meant.

2. 2
   verbarchaic

   Second-person singular simple present indicative of busy, used with the archaic pronoun thou.

   Thou busiest thyself overmuch with matters that are not thine.

   Wherefore busiest thou thyself about my affairs, good sir?

   Note

   Here busiest is a verb, not a degree of comparison. It is the old thou form of the verb meaning to occupy someone. Because that verb is usually reflexive, it most often appears as thou busiest thyself. Use it only when you want a deliberately old-fashioned voice. In modern English the same thought is you busy yourself.

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