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Costliest
Meaning
Adj
●
superlative form of
costly
: most
costly
Sourced from
Wiktionary
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Priciest
Largest
Bloodiest
Riskiest
Biggest
Toughest
Cheapest
Hardest
Crappiest
Safest
Greatest
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Heaviest
Longest
Richest
Tallest
Dirtiest
Scariest
Cruelest
Lightest
Smallest
Hottest
Shortest
Widest
Driest
Busiest
Poorest
Oldest
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Strongest
Loudest
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