dull (adj.) 1
dead, lifeless, sluggish, inactive
1H4 IV.ii.79 [Falstaff alone] To the latter end of a fray, and the beginning of a feast / Fits a dull fighter and a keen guest
2H4 I.i.71 [Northumberland to and of Morton] So dull, so dead in look, so woe-begone
AW I.i.215 [Helena alone] The fated sky ... doth backward pull / Our slow designs when we ourselves are dull
Ham I.v.32 [Ghost to Hamlet] I find thee apt, / And duller shouldst thou be than the fat weed / That roots itself in ease on Lethe wharf
Ham II.ii.564 [Hamlet alone, of himself] A dull and muddy-mettled rascal
Ham IV.iv.33 [Hamlet alone] How all occasions do inform against me / And spur my dull revenge
MM IV.iv.19 [Angelo alone] This deed ... makes me unpregnant / And dull to all proceedings
MV II.vii.8 [Morocco to himself, of a casket] This third, dull lead
Oth I.i.124 [Roderigo to Brabantio] At this odd-even and dull watch o'th' night
R3 II.ii.92 [Dorset to Queen Elizabeth] 'tis called ungrateful / With dull unwillingness to repay a debt
Sonn 44.1 [] If the dull substance of my flesh were thought, / Injurious distance should not stop my way
TC II.ii.210 [Hector to all] I have a roisting challenge sent amongst / The dull and factious nobles of the Greeks