For example, "The new English test is better but harder to achieve." I need to change the phrase (marked in bold) in the sentence above to a single word. what word will fit? Any help is appreciated.

Edit: To clarify for those asking, I need to shorten this phrase as I have a word limit on a paper I'm writing.

  • I’m not sure there is a single word. Why can’t you use multiple words?
    – Dan Bron
    Commented Jan 14, 2018 at 18:24
  • Why do you "need to change" that long phrase into just one word?
    – tchrist
    Commented Jan 14, 2018 at 19:59
  • 1
    A test can't be achieved, though a mark/grade on a test can be.
    – KarlG
    Commented Jan 14, 2018 at 20:22
  • If want just one word, the term is "single word". "Singular" means not plural, or unique. Commented Jan 14, 2018 at 22:04

1 Answer 1


There's no word that clearly communicates both of those means, but "rigorous" comes close.

  • Thank you for your answer. If there is no other word that fits, "rigorous" should work well. also, thanks for the word correction. I've fixed it now.
    – cat-user27
    Commented Jan 15, 2018 at 2:43
  • Note that you would have to say more rigorous to get the comparative sense of your original phrase.
    – 1006a
    Commented Jan 15, 2018 at 7:10

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