Word
undetectable, adj.
barely able to be perceived
<adj.all>
indiscernible
insensible
undetectable
sample sentences
"the transition was almost indiscernible"
"an almost insensible change"
semantic pointers
similar to
imperceptible, unperceivable
not easily seen
<adj.all>
undetectable
semantic pointers
similar to
invisible, unseeable