Wiktionary
compactest
a. (en-superlative of: compact)
Usage examples of "compactest".
We claimed two hundred feet each--six hundred feet in all--the smallest and compactest organization in the district, and the easiest to manage.
It was curious and noteworthy in this, that it was perhaps the compactest, the completest, and the strongest commercial organization ever formed among men.
A couple of shrewd slits with a penknife fetched the covering away altogether, and the metal box was comprehensively revealedone of the compactest and solidest little portable safes that the Saint had ever seen.
As I have remarked, the pilots' association was now the compactest monopoly in the world, perhaps, and seemed simply indestructible.