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I

(New American Roget's College Thesaurus)

n. plant juice, lifeblood; vigor, vitality; trench, furrow; slang, fool (see ignorance). See fluidity, intrinsic. —v. t. undermine; tunnel; enfeeble, debilitate, devitalize. See concavity, deterioration, weakness.

II

(Roget's IV) n.

1. [The life fluid of a plant]

Syn. fluid, secretion, essence; see juice .

2. [A vital fluid]

Syn. lifeblood, precious fluid, substance; see blood 1 .

3. [*A dupe]

Syn. dolt, gull, simpleton; see fool 1 .

v.

Syn. weaken, undermine, exhaust, subvert; see drain 1 , 2 , 3 , weaken 2 .

See Synonym Study at weaken .

III

(Roget's 3 Superthesaurus) v.

weaken, exhaust, undermine, drain, wear out, enervate, enfeeble, deplete, impair, bleed dry, suck dry, debilitate.

ANT.: invigorate, energize, strengthen

IV

(Roget's Thesaurus II) noun Slang. A person who is easily deceived or victimized: butt3, dupe, fool, gull, lamb, pushover, victim. Informal: sucker. Slang: fall guy, gudgeon, mark, monkey, patsy, pigeon. Chiefly British: mug. See WISE.

V

(Roget's Thesaurus II) verb 1. To lessen or deplete the nerve, energy, or strength of: attenuate, debilitate, devitalize, enervate, enfeeble, undermine, undo, unnerve, weaken. See STRONG. 2. To lessen or weaken severely, as by removing something essential: deplete, drain, exhaust, impoverish, use up. See GIVE, INCREASE, RICH.