There is no answer to this one, really.
I'm quite pragmatic, but even though it's three years since DP died, and it's real and painful and factual, and I say died, it's an internal gut punch every time, because it underlines the permanence of loss.
Passed on irritates me more than passed away, as it seems to imply a choice of some sort, similarly "departed".
Gone to a better place really grinds my gears, because it implies the life they had, with all the connections is a bit inferior in some way, which isn't comforting in the slightest to the bereaved. But then, I could be accused of irrationality and over thinking.
Lost is the one that gets me most. Yes, we feel the loss and absence of our person, but they're not stuck behind the sofa cushions, their GPS hasn't malfunctioned, and the implication of fault or carelessness is there, which is of course a conflation of regret and guilt which often comes with death of a loved one, rational or not.
Unfortunately the language of grief is inadequate, and clumsy and can never give full measure to the impact.
We blunder and muddle through it because every experience is uniquely painful, and perspective takes time and work.
A few months after DP bought his ticket to the great gig in the sky (call me trite, but he was very into his music and it comforts me to think he's slugging JD with Lemmy and philosophising with Bowie and Bill Hicks) someone started waxing lyrical about how shocking and tragic his death had been for them - not a close person, nor someone I had met before. I tried to be nice for as long as I could, then my sarcastic bone showed up. I said, to my everlasting shame
"You really had to be there". Which of course, I was. But they weren't.
There's a very fine line between sharing grief, and appropriating it, and it's a lesson we learn painfully.