certain
clandestine
memberlessness
grouping
group
unidentified
atypical
circumscriptional
untypical
missing in action
atypic
including but not limited to
prodrop
simple
free
anonymous
favourite
misidentifiable
lower deck
nonidentification
membered
memberwise
memberless
nongroup
unenumerated
amorphous
misidentified
nonstatus
heptamer
inorganized
nonlabelled
outsider
foreigner
noncategorized
thing
metanym
indescript
misfeature
the left hand doesn't know what the right hand is doing
unattached
ill-deserved
nonlisted
excommunicate
inspecific
nonidentifiable
untallied
from
nonexclusion
unredacted
dismemberment