on, be more lenient with, be temperate or moderate with, be kind or charitable to; slacken, loosen, relax.
letch, n. Slang. 1. craving, hankering, longing, yearning, Inf. yen, appetite; hunger, covetousness, greed, inordinate desire, rapacity, cupidity, avarice.
2. liking, strong liking, predilection, weakness for; preference, choosing, bias, inclination, leaning toward, predisposition.
3. lecher, rou6, debauchee, degenerate, pervert, Inf. dirty old man; rake, rakehell, Inf. rip.
letdown, n. 1. decrease, decline, declension, gradual loss; wane, ebb, reflux, fall, falling off, slowdown, depreciation, shrinkage; reduction, cutback, cutting down, retrenchment; curtailment, abridgment, shortening, dwindling; abatement, lessening, letup, mitigation, diminishing, diminution, subsidence, easing off.
2. disillusionment, disappointment, disenchantment; dissatisfaction, discontent; mortification, chagrin, frustration, balk, bafflement; regret, rue, sorrow, pain; bitter pill, setback, blow, blow to one's pride, Inf comeuppance; humbling, Inf. comedown, humiliation, disgrace, shame, shaming.
3. failure, Inf. flop, defeat, collapse; nonfulfillment, nonsuccess; fiasco, Inf. washout, fizzle, flash in the pan, Inf. no-go, shipwreck; miscarriage, abortion.
4. depression, deflation, discouragement, dejection; despondency, blues, unhappiness, Psychiatry, melancholia, disconsolation, disconsolateness; dispiritedness, low-spiritedness, doldrums, Inf. dumps, disheartenment, downheartedness; dolefulness, gloominess, dolor, sorrow, grief; misery, despair, desolation, hopelessness, bleakness, dreariness, darkness, sadness.
lethal, adj. deadly, fatal, mortal, mortiferous, deathful, Archaic, lethiferous; killing, suicidal, slaughtering, slaughterous, murderous, death-dealing, internecine, internecive; destructive, ruinous, annihilative, calamitous, disastrous; pernicious, dangerous, hazardous, deleterious, detrimental; harmful, injurious, nocuous, hurtful, nocent, baleful, noisome; noxious, malicious, malign, malignant, menacing; venomous, virulent, toxic, morbific; fell, baneful, mephitic, viperous, poisonous, Archaic, venenose; pestilential, pestiferous, infective, infectious, pestilent, contaminative, contagious, leprous, septic.
lethargic, adj. 1. sluggish, phlegmatic, dull, slow, heavy, hebetudinous, lethargical; lazy, supine, indolent, slothful, faineant, idle; languid, languorous, listless, lackadaisical, apathetic, indifferent, impassive; spiritless, lifeless, passive, inactive, inanimate; inert, insensible, torpid, dormant, stupefied, stuporous, narcose, comatose.
2. drowsy, sleepy, slumberous, slumbery, dozy, somnolent, oscitant; sleeping, dozing, drowsing; weary, tired, exhausted, fagged out, fatigued, Sl. beat, Sl. bushed, Sl. pooped; enervated, weak, weakened, anemic.
3. soporific, somniferous, somnific, somnifacient, sleep-inducing; narcotic, sedative, opiate, stupefa-cient; hypnotic, mesmeric.
lethargy, n. 1. sluggishness, dullness, hebetude, slowness, heaviness, phlegm; stupefaction, stupor, torpor, torpidity, torpidness, numbness; inertia, inactivity, lifelessness, inertness, spiritlessness, inanition, comatoseness, comatosity.
2. languor, languidness, listlessness, Inf the blahs; apathy, indifference, impassiveness, impassivity; insensibility, passivity, passiveness, dormancy, coma; laziness, supineness, indolence, sloth, idleness.
3. weariness, lassitude, exhaustion, fatigue, tiredness; drowsiness, sleepiness, narcosis, slumberousness, doziness, somnolence, oscitancy, oscitance; drowse, doze; Pathol, sopor; rest, repose, ease, contentment, euphoria, (both usu. drug induced) (in the Middle East) kef, Med. narcoma.