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optimistic

[op-tuh-mis-tik] /ˌɒp təˈmɪs tɪk/
adjective
1.
disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
2.
reflecting a favorable view of events and conditions and the expectation of a positive outcome; demonstrating optimism:
an optimistic plan.
3.
of or pertaining to optimism.
Also, optimistical.
Origin
1840-1850
1840-50; optimist + -ic
Related forms
optimistically, adverb
antioptimistic, adjective
antioptimistical, adjective
antioptimistically, adverb
nonoptimistic, adjective
nonoptimistical, adjective
nonoptimistically, adverb
overoptimistic, adjective
overoptimistically, adverb
preoptimistic, adjective
semioptimistic, adjective
semioptimistically, adverb
superoptimistic, adjective
unoptimistic, adjective
unoptimistical, adjective
unoptimistically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for overoptimistic

overoptimistic

/ˌəʊvərˌɒptɪˈmɪstɪk/
adjective
1.
excessively optimistic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for overoptimistic

optimistic

adj.

1845, from optimist + -ic. Related: Optimistical (1809); optimistically.

Online Etymology Dictionary, © 2010 Douglas Harper
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