Definition of "guestimation" [guestimation]

• Alternative spelling of guesstimation. (noun)

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• "My guestimation is that the industry is likely at about 15% recycled fiber."
• "But a "guestimation" based on the number of registered active clubs would bring in a figure of about 500 players."
• "Because that financial guestimation business plan, the kind you need to get a loan or to attract venture capital or to round up a few friends to give you back-up funds, is only one kind of business plan."