Word: highball
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A cocktail made from a spirit plus soda water etc.
An all clear or full speed ahead signal.
A very high bouldering problem, often with a hard landing.
To make an estimate which tends toward exaggeration. Example: If we highball the price, it comes out to $240. If we lowball it, it's closer to $200.
(possibly obsolete) To move quickly; to hightail.
You can find a list of possible crossword clues for HIGHBALL below.
Crossword Answers