Dictionary

1thorough

preposition thor·ough \ˈthər-(ˌ)ō, sometimes ˈthr-; ˈthə-(ˌ)rō\

Definition of THOROUGH

archaic
:  through
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Origin of THOROUGH

Middle English thorow, from Old English thurh, thuruh, preposition & adverb
First Known Use: before 12th century

2thorough

adverb thor·ough \ˈthər-(ˌ)ō, sometimes ˈthr-; ˈthə-(ˌ)rō\

Definition of THOROUGH

archaic
:  through

Origin of THOROUGH

(see 1thorough)
First Known Use: before 12th century

Rhymes with THOROUGH

3thorough

adjective thor·ough \ˈthər-(ˌ)ō, sometimes ˈthr-; ˈthə-(ˌ)rō\

: including every possible part or detail

: careful about doing something in an accurate and exact way

: complete or absolute

Full Definition of THOROUGH

1
:  carried through to completion :  exhaustive <a thorough search>
2
a :  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>
thor·ough·ly adverb
thor·ough·ness noun

Examples of THOROUGH

  1. a thorough understanding of the rules and regulations
  2. The investigator will have to be thorough.
  3. … one realized that it was the restaurant's thorough and even comic Frenchness that had made it so entirely New York. —Adam Gopnik, New Yorker, 22 Mar. 2004

Origin of THOROUGH

(see 1thorough)
First Known Use: 15th century
THOROUGH Defined for Kids

thorough

adjective thor·ough \ˈthər-ō\

Definition of THOROUGH for Kids

1
:  being such to the fullest degree :  complete <a thorough search>
2
:  careful about little things <a thorough worker>
thor·ough·ly adverb
thor·ough·ness noun

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