hardworking
adj.putting a lot of effort and care into your work. You use this to describe someone who is not lazy and stays focused on their tasks.
adj.characterised by constant, diligent, and earnest effort in one's work or duties. Typically describes individuals or their habits; gradable in formal writing.
“She is a very hardworking student.”
“The manager promoted him because he is the most hardworking person on the team.”
“Success in this competitive industry requires a hardworking attitude and the ability to remain productive under significant pressure.”
Often modified by degree adverbs like 'very', 'extremely', or 'incredibly'.
Learners often confuse the adjective 'hardworking' with the adverbial phrase 'work hard'.
From hard + working.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.