un·der·play 
(ŭn′dər-plā, ŭndər-plā′)
(ŭn′dər-plā, ŭndər-plā′)v. un·der·played, un·der·play·ing, un·der·plays
v.tr.
1. To act (a role) subtly or with restraint.
2. To present or deal with subtly or with restraint; play down.
v.intr.
1. To act a role subtly or with restraint.
2. Games To play a low card while holding a higher card in the same suit.