Definition of thorough
(Entry 1 of 3)
1
: carried through to completion : exhaustive
a thorough search
2a
: marked by full detail
a thorough description
b
: careful about detail : painstaking
a thorough scholar
c
: complete in all respects
thorough pleasure
d
: having full mastery (as of an art)
a thorough musician
thorough
prepositionDefinition of thorough (Entry 2 of 3)
archaic
: through
thorough
adverbDefinition of thorough (Entry 3 of 3)
archaic
: through
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Merriam-Webster unabridged
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Time Traveler for thorough
The first known use of thorough was before the 12th century
See more words from the same century