beside the point
• irrelevant.
• "Eliot's arguments are wholly beside the point"
Similar:
irrelevant,
immaterial,
unimportant,
not to the point,
neither here nor there,
nothing to do with it,
not pertinent,
not germane,
off the subject,
inapposite,
inconsequential,
incidental,
pointless,
out of place,
wide of the mark,
unconnected,
peripheral,
tangential,
extraneous,
extrinsic,