lukewarmness, n. tepidity; [indifference], [unconcern], [coolness].
lull, v. [hush], [still], [quiet], tranquillize; [subside], [abate].
lull, n. [calm], [calmness], [subsidence].
lumbering, a. [unwieldy], [ponderous], [cumbersome], [ungraceful].
luminous, a. See bright.
lummox, n. (Low) [booby], [gawk], [lout], [lubber], yahoo, [bumpkin], [boor].
lump, n. [mass], [aggregation], [aggregate].--v. [mass], [amass].
lumpish, a. inert, [heavy]; [stupid], [dull], [stolid].
lumpy jaw. actinomycosis.