So I'm working on a research project where I need a particular word a lot, but I'm not sure if the word I'm using is proper, or if there's a better choice.

Some background, regular T cells need to be activated by something called MHC, but CAR T cells do not need to be activated this way.

So one sentence I have been saying is that

CAR T cells exempt MHC activation

But then I tried supersedes and it still doesn't have the right sound to it.

Word help please :).

1 Answer 1


obviate TFD

vb (tr) to avoid or prevent (a need or difficulty)

As in:

CAR T cells obviate the need for MHC activation.

  • 2
    equinox has found the right word, so I am up voting it. However, what is wrong with simply saying: “...CAR cells do not need MHC activation? Quite a few non-native users of English would be saved having to go to a dictionary.
    – Tuffy
    Jul 18, 2018 at 21:37

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