This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Of chief concern or importance: tending first to one's paramount needs.

adj. Supreme in rank, power, or authority. See Synonyms at dominant.

n. One that has the highest rank, power, or authority.

adj. Supreme; highest.

adj. Having the highest rank or jurisdiction; superior to all others; chief; supreme; preëminent.

n. The highest or chief.

Supreme; superior in power or jurisdiction; chief: as, lord paramount, the supreme lord of a fee, or of lands, tenements, and hereditaments.

Above; superior to: with a prepositional force.

Eminent; of the highest order; especially, of chief or superior importance; above all others as regards importance; superior: as, the paramount duty of a citizen.

n. The chief; the highest in rank or importance; a superior.

adj. having superior power and influence

"At one extreme of these is the proceeding in rem of the admiralty, which conclusively disposes of the property in its power, and, when it sells or condemns it, does not deal with this or that man's title, but gives a new title paramount to all previous interests, whatsoever they may be."

dominant   

lord paramount    Paramount Pictures   

syn    principal    chief    preeminent    supreme    preëminent    superior    controlling    highest    utmost   

undisputed    predominant    gravest    vital    intrinsic    crucial    constitutional    strategical    weighty    especial