sap

1 active strength of body or mind a child full of sap and vivacity Synonyms beans, bounce, brio, dash, drive, dynamism, energy, esprit, gas, get-up-and-go, ginger, go, gusto, hardihood, juice, life, moxie, oomph, pep, punch, vigor, snap, starch, verve, vim, vinegar, vitality, zing, zipRelated Words animal spirits, animation, briskness, jauntiness, liveliness, snappiness, spirit, spiritedness, sprightliness, spunk, spunkiness, vibrance, vibrancy, vivaciousness, vivacity; ardor, élan, fervor, fire, passion, zeal; main, metal, mettle, might, muscle, potency, power, puissance, stamina, strength; brawniness, fitness, hardiness, huskiness, sturdiness, virility; health, healthiness, soundness, verdure, wellnessNear Antonyms indolence, laziness; debilitation, debility, delicacy, disablement, enfeeblement, faintness, feebleness, frailness, frailty, impotence, impotency, infirmity, powerlessness, puniness, slightness, softness, tenderness, weakness; enervation, exhaustion, inanition, prostrationAntonyms lethargy, listlessness, sluggishness, torpidity

2 one who is easily deceived or cheated some poor sap would probably fall for that telephone scam Synonyms chump, gull, mug [chiefly British], patsy, pigeon, pushover, dupe, soft touch, sucker, toolRelated Words cat's-paw, mark, target, victim; schlemiel (also shlemiel); butt, derision, laughingstock, mock, mockery; booby, dodo, fool, goose, half-wit, jackass, lunatic, monkey, nincompoop, ninny, nitwit, simp, simpleton, turkey, yo-yo; loser; blockhead, cretin, dolt, dope, dumbbell, dummy, dunce, idiot, imbecile, moron, schlub (also shlub) [slang], schlump [slang], schnook [slang]Near Antonyms cheat, cheater, confidence man, cozener, defrauder, dodger, hoaxer, shark, sharper, slicker, swindler, trickster

3 a heavy rigid stick used as a weapon or for punishment the sadistic prison guards freely used their saps to enforce discipline Synonyms bastinado (or bastinade), bat, baton, billy, billy club, bludgeon, cane, cudgel, nightstick, rod, rung [Scottish], club, shillelagh (also shillalah), staff, truncheon, waddy [Australian]Related Words blackjack, knobkerrie, mace; birch, crabstick, hickory, rattan, stave, switch; beetle, gavel, hammer, mallet, maul, sledgehammer; crook, crosier (or crozier), walking stick, whangee

4 the condition of being sound in body I may no longer have the sap of youth, but I do have the sapience that comes only with advanced years Synonyms fitness, healthiness, heartiness, robustness, health, soundness, verdure, wellness, wholeness, wholesomenessRelated Words fettle, shape; cleanliness, hygiene; hardiness, lustiness, robustiousness, ruggedness, stamina, strength, toughness, vigor, vigorousness, vitality; bloom, flush, flushness; activeness, agility, liveliness, spryness; weal, welfare, well-beingNear Antonyms debility, decrepitude, feebleness, frailness, infirmity, lameness, sickliness, weakness; ailment, condition, disease, disorder, malady, troubleAntonyms illness, sickness, unhealthiness, unsoundness