jaded :: fatigued; surfeited

jaundiced :: yellowed; prejudiced; envious

jocose :: giving to joking

jocular :: said or done in jest

jocund :: merry

judicious :: wise; determined by sound judgment

lackadaisical :: affectedly languid

laconic :: brief and to the point

laggard :: slow; sluggish

lambent :: flickering; softly radiant

laminated :: made of thin plates or scales

languid :: weary; sluggish; listless

lascivious :: lustful

latent :: dormant; hidden

lateral :: coming from the side

laudatory :: expressing praise

lavish :: liberal; wasteful

lecherous :: impure in thought and act; lustful; unchaste

lethal :: deadly

lethargic :: drowsy; dull

lewd :: lustful

libelous :: defamatory; injurious to the good name of a person

libidinous :: lustful

licentious :: wanton; lewd; dissolute

limpid :: clear

linguistic :: pertaining to language

lithe :: flexible; supple

livid :: lead-colored; black and blue; enraged

loath :: averse; reluctant

loquacious :: talkative

lucent :: shining

lucid :: bright; easily understood

lucrative :: profitable

lugubrious :: mournful

luminous :: shining; issuing light

lunar :: pertaining to the moon

lurid :: wild; sensational

luscious :: pleasing to taste or smell

lustrous :: shining

luxuriant :: fertile; abundant; ornate