Lackadaisical

showing lack of interest; listless

Lambaste

to give a thrashing; to assault violently

Lampoon

light, good-humored satire

Languid

lacking energy; weak; showing little interest in anything

Latent

laying hidden or undeveloped; potential

Lithe

bending easily and gracefully

Logistics

the management of the details of an operation

Maladroit

clumsy; inept

Malaise

a vague feeling of bodily discomfort, as at the beginning of an illness

Malcontent

dissatisfied with existing conditions; an unhappy person