Less infirm
Less ingenuous
Less inhibited
Less intelligent
less intense
less intense reaction than is expected or appropriate
Less interesting
Less introverted
less invasive medical procedure resulting in minimal scarring
Less is more, e.g.
Less jagged
Less kind
Less kissable fairy tale figure
Less laborious
Less languid
Less lax
Less leafy, like a tree
Less lean
Less leisurely
Less lengthy
Less lenient
Less light
Less like a stumper
Less like a yo-yo
Less like legalese
Less like nuts?
Less likely
Less likely to appear
Less likely to be a bargain on eBay
Less likely to be available
Less likely to be carded, say
Less likely to be caught
Less likely to be committed
Less likely to be forgiving
Less likely to be found
Less likely to be G-rated
Less likely to be hit by a hurricane
Less likely to be named homecoming king
Less likely to be seen
Less likely to be spotted
Less likely to be winded
Less likely to betray
Less likely to bite
Less likely to break
Less likely to cause injury
Less likely to chillax
Less likely to collapse
Less likely to crack
Less likely to fall over
Less likely to fly?
Less likely to give in
Less likely to happen
Less likely to have waffles
Less likely to leave things out
Less likely to lose it
Less likely to make a 12-Down
Less likely to make mistakes
Less likely to mix
Less likely to offend
Less likely to put up a fight
Less likely to reconcile
Less likely to start a trend
Less likely to tip over
Less likely to waver
Less likely to win a race
Less likely to win the race
Less limited
Less lit
Less literal
Less lively
Less loaded
Less loco
Less loco (rev.) Penny = Showing new life
Less lofty
Less logical
Less long-winded
Less loony
Less loopy
Less loose
Less lopsided
Less loutish
Less ludicrous
Less lumbering
Less mad
Less manifold
Less mannerly
Less mature
Less mean
Less meek
Less mellow
Less mendacious
Less mentally sound
Less messy
Less moist
less motivated
Less muddled
Less mundane
Less naive
Less narrow
Less nasty
Less natural
Less nervous
Less nice
Less noble
Less normal
Less numerous
Less nuts
Less nutty
Less obvious
Less of a dream
Less of a jerk
Less of a mess
Less of a picnic
Less of a risk
Less of a struggle
Less of an extrovert
Less of an illusion
Less often found
Less often seen
Less onerous
less or lower than critical in respect to a specified factor
less or lower than human
less or lower than that of the atmosphere
Less ordinary
Less original
Less ornamented
Less ornate
Less outgoing
Less outgoing (Var.)
Less outlandish
Less overcast
Less passe
Less perilous
Less plausible, as an excuse
Less pleasant
Less pleasing to the ear
Less plentiful
Less plump
Less polished
Less polished or developed
Less polite
Less polite + wildly unconventional = epicenter
Less polite way of saying "no thanks" to offered food
Less polluted
Less popular half of a 45
Less popular half of a record
Less popular song on a single, usually
Less popular song, often
Less popular track, often
Less populated
Less portable fire starter?
Less powdery
Less powerful
Less predictable
Less preferable
Less prepossessing
Less pretentious
Less pretty
Less prevalent
Less processed
Less promising of two songs
Less prosaic
Less prosperous
Less prudish
Less punctual
Less puzzling
Less quick-witted
less quiet
Less radioactive
Less rainy, as a climate
Less rambunctious
Less rash
Less ready to pick
Less reassuring, perhaps
Less recent
Less receptive
Less refined
Less regular
Less relaxed
Less remote
Less reputable
Less reserved
Less resonant
Less respectful
Less restrained
Less restricted
Less restrictive
Less reticent
Less ripe
Less risky
Less risqué
Less rocky
Less rosy
Less rough
Less ruddy
Less rude
Less ruffled
Less safe for driving
Less sane
Less savage
Less scintillating
Less seasoned
Less secure
Less seen
Less self-sufficient
Less sensible
Less serene
Less serious
Less serious works by the author of "Brighton Rock"?
Less settled
Less severe
Less shake than a quake
Less shallow
Less sharp
Less sharp, as cheese
Less shopworn
Less short
Less sickly
Less significant
Less silty
Less simple
Less sincere
Less sinful
Less skewed
Less slack
Less slovenly
Less smooth
Less soggy
Less solvable
Less sophisticated
Less sound
Less sour
Less sparse
Less specific
Less specious
Less speculative
Less speedy
Less spicy
Less spirited
Less sportsmanlike
Less standard
Less steep
Less sterling
Less stern
Less stimulating
Less stirred
Less stocky
Less stormy
Less straight
Less straightforward