Thorough

Pronunciation accents without the w, English-language_vowel_changes_before_historic_/r/#Hurry.E2.80.93furry_merger, "Hurry-furry" merger accents with the

• UK IPA: /ˈθʌ.ɹə/, /ˈθʌɹəʊ/
• US IPA: /ˈθʌ.ɹoÊŠ/
• Rhymes: -ÊŒrÉ™

Old English þuruh.

Alternative forms

• thoro

Full definition of thorough

Adjective

1. painstaking and careful not to miss or omit any detailThe Prime Minister announced a thorough investigation into the death of a father of two in police custody.He is the most thorough worker I have ever seen.The infested house needs a thorough cleansing before it will be inhabitable.
2. utter; complete; absoluteIt is a thorough pleasure to see him beg for mercy.

Derived terms

• thoroughbred
• thoroughgoing
• thoroughly

A disyllabic form of Old English þurh ("through").

Preposition

1. (obsolete) Through. 9th-19th c.
• Spenser Faerie Queene, II.xii:Ye might haue seene the frothy billowes fry
  Vnder the ship, as thorough them she went ....
• 1599, William Shakespeare, , V. i. 109:You are contented to be led in triumph
  Thorough the streets of Rome?

Noun

1. (UK, dialect) A furrow between two ridges, to drain off the surface water.