Lilliputian, Babyish, Bantam, Brief, Cramped
as lithe as a panther
Agile, Lean, Lightsome, Limber, Lissome
as light as down
Ablaze, Aglow, Bright, Brilliant
as lifeless as the grave
Asleep, Bare, Barren, Brute, Cold
as liberal as the sun
Advanced, Avant-Garde, Broad, Broad-minded
as level as a pond
Akin, Aligned, Alike, Calm, Commensurate
as lean as Sancho’s ass
Angular, Anorexic, Barren, Beanpole, Bony
as lazy as a toad
Apathetic, Asleep on the job, Careless
as lax as cut string
Any way, Asleep on job, Behindhand, Broad
as lawless as the stormy wind
Illegal, Illegitimate, Illicit, Prohibited, Taboo
as lasting as the pyramids
Abiding, Constant, Continual, Continuing
as languid as love-sick maid
Enervated, Faint, Feeble, Heavy
as knowing as the stars
Apperceive, Appreciate, Apprehend, Be acquainted
as kind as consent
Affectionate, All heart, Altruistic, Amiable
as killing as a plague
X-out, Annihilate, Asphyxiate, Assassinate