Adjective thorough has 2 senses
  1. thorough - painstakingly careful and accurate; "our accountant is thorough"; "thorough research"
    Antonym:
    careless (indirect, via careful)
  2. exhaustive, thorough, thoroughgoing - very thorough; exhaustively complete; "an exhaustive study"; "made a thorough search"; "thoroughgoing research"
    Antonyms: incomplete, uncomplete (indirect, via complete)
    Antonym: incomplete (indirect, via complete)
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