lewd (adj.) 1
improper, unseemly
1H4 III.ii.13 [King Henry to Prince Hal, of Hal's behaviour] Such poor, such bare, such lewd, such mean attempts
2H4 II.ii.58 [Poins to Prince Henry] you have been so lewd
R2 I.i.90 [Bolingbroke to King Richard, of money given to Mowbray] The which he hath detained for lewd employments
TS IV.iii.65 [Petruchio to Haberdasher, of a cap] 'tis lewd and filthy [i.e. cheap and nasty]