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 the highest order, quality, or degree; surpassing or superior to all others.

adj. Excessive or exaggerated.

adj. Grammar Of, relating to, or being the extreme degree of comparison of an adjective or adverb, as in best or brightest.

n. Something of the highest possible excellence.

n. The highest degree; the acme.

n. Grammar The superlative degree.

n. Grammar An adjective or adverb expressing the superlative degree, as in brightest, the superlative of the adjective bright, or most brightly, the superlative of the adverb brightly.

n. The highest extent or degree of something.

n. The form of an adjective that expresses which of more than two items has the highest degree of the quality expressed by the adjective; in English, formed by appending "-est" to the end of the adjective (for some short adjectives only) or putting "most" before it.

n. An adjective used to praise something exceptional.

adj. Exceptionally good; of the highest quality; superb.

adj. Of or relating to a superlative.

adj. Lifted up to the highest degree; most eminent; surpassing all other; supreme

adj. Expressing the highest or lowest degree of the quality, manner, etc., denoted by an adjective or an adverb. The superlative degree is formed from the positive by the use of -est, most, or least.

n. That which is highest or most eminent; the utmost degree.

n.

n. The superlative degree of adjectives and adverbs; also, a form or word by which the superlative degree is expressed.

Raised to or occupying the highest pitch, position, or degree; most eminent; surpassing all other; supreme: as, a man of superlative wisdom.

In grammar, noting that form of an adjective or an adverb which expresses the highest or utmost degree of the quality or manner: as, the superlative degree of comparison.

n. That which is highest or of most eminence; the utmost degree.

n. In grammar: The superlative degree of adjectives or adverbs, which is formed in English by the termination -est, as meanest, highest, bravest; hence, also, the equivalent phrase made by the use of most, as most high, most brave; or even of least, as least amiable.

n. A word or phrase in the superlative degree: as, to make much use of superlatives.

n. an exaggerated expression (usually of praise)

adj. highest in quality

n. the highest level or degree attainable; the highest stage of development

n. the superlative form of an adjective or adverb

"In order to showcase the most advanced towers piercing the clouds, "Supertall!" curator Carol Willis selected a skyscraper subset of what she calls "superlative buildings.""

superior   

extolment    praise    congratulations    kudos    point    level    degree    stage    adverb    adjective   

absolute    elative    comparative   

superlative degree   

supreme    highest    peak    acme    above and beyond    superb    exceptional    extraordinary   

transcendent    consummate    incomparable    intrinsic    exceptional    innate    unparalleled    superhuman    undeniable    comparative