vultuosus

vultŭōsus (volt-), a, um, adj. [vultus],

of an expressive countenance , full of expression , full of airs or grimaces , grimacing , affected : homo, Prud. στεφ. 10, 171: frons, Ap. Met. 3, 13, 8; ne quid ineptum aut vultuosum sit (in oratione), Cic. Or. 18, 60; cf. pronuntiatio, Quint. 11, 3, 183.