all:
malapropos.
relevant, suitable:
unsuitable,
inappropriate,
irrelevant.
noun:
insignificant,
out of place,
inconsequential,
slight,
little,
useless,
inadmissible,
meaningless,
trifling,
minor,
immaterial,
unimportant,
frivolous,
extraneous,
trivial,
senseless,
purposeless,
pointless,
negligible.
relevantly, suitably:
unsuitably,
inappropriately,
irrelevantly.