Thorough Meaning and Closest Synonym

The question asks to identify the word that is closest in meaning to the underlined word 'thorough' in the sentence: "There was no doubt that their work was thorough."

Understanding 'Thorough'

The word 'thorough' means performed or completed with great care and to the very end; complete. It implies attention to detail and that nothing has been missed.

Analyzing Word Options

Let's examine the meaning of each provided option:

• Pretty: This word often means attractive, or can be used as an adverb meaning 'fairly' or 'somewhat'. Neither meaning relates to being complete or detailed.
• Complete: This word means having all the necessary or appropriate parts; finished. This aligns very well with the meaning of 'thorough', indicating that the work was done fully and nothing was left out.
• Sloppy: This means careless, untidy, or messy. This is the opposite of 'thorough'.
• Haphazard: This means lacking any obvious organization or planning; random. This is also the opposite of 'thorough'.

Identifying the Closest Match

Based on the analysis, 'complete' is the word that best captures the meaning of 'thorough' among the given choices, signifying that the work was done fully and with no omissions.