in some sense Partly; in some or certain way (s). A: "So all you need to do is get married and they'll let you stay in the country?" B: "In some sense, but there's a lot more work involved than just that." In some sense, the book's story stands as a metaphor for the questionable ideals of the so-called American dream.

Also, in some sense. Sort of, in some ways but not others. For example, In a sense our schools are the best in the state, but the test scores don't always show that, or In some sense I agree with you, but not entirely. [Late 1500s] Also see in a way.

"in some senses" is correct and usable in written English. You can use it to indicate a limited scope of something, or to qualify a statement. For example, "In some senses, it can be argued that the right to vote is a fundamental right of a democracy.".