one of two, the remaining one, another, one beside, some beside,
additional, different, separate, distinct, opposite, across
from, lately, recently, not long ago, other than; see also
the one remaining, the part remaining, the alternate, the
alternative; see another.
Antonyms this*, that, the first choice.
of all others
the other day (<strong><em>or</em> </strong>night)
recently, not long ago, a while back, a while ago, yesterday or the day before; see also recently.