A sedulous person is someone who works hard and doesn't give up easily. If you make repeated and sedulous attempts to fix a leaky pipe and it only makes things worse, it might be time to go online and find the number of a plumber.

There are a couple of words that basically mean the same thing as sedulous but are a little more common, namely assiduous, painstaking, and diligent. Like sedulous, all of these adjectives can be turned into adverbs by adding the suffix ly: "He assiduously tried to fix the pipe, but to no avail."

Definitions of sedulous
  1. adjective
    marked by care and persistent effort
    sedulous pursuit of legal and moral principles”
    synonyms: assiduous
    characterized by care and perseverance in carrying out tasks
Commonly confused words

David Foster Wallace on "Sedulous" Proofreading

In a 1994 course syllabus, writer David Foster Wallace encouraged his students to be sedulous in their proofreading.

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