reticent, adj.
reluctant to draw attention to yourself
<adj.all> freq. cnt.: 1 freq. cnt.: 1
reticent retiring self-effacing
semantic pointers
similar to
cool and formal in manner
<adj.all> freq. cnt.: 2 freq. cnt.: 2
restrained reticent unemotional
semantic pointers
similar to
temperamentally disinclined to talk
<adj.all>
reticent untalkative