Definitions from Wiktionary (on a need-to-know basis)
▸ adverb: (of the giving of information) remaining secret or hidden until it is needed to be known (by a particular party).
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▸ adverb: (of the giving of information) remaining secret or hidden until it is needed to be known (by a particular party).
Similar:
unbeknownst,
off-market,
offlist,
off-list,
unknownst,
behind,
undiscernedly,
nonemergently,
noncommittedly,
off-plan,
more...
Opposite:
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