Definition of weak

• v. i. - Wanting physical strength.
• v. i. - Deficient in strength of body; feeble; infirm; sickly; debilitated; enfeebled; exhausted.
• v. i. - Not able to sustain a great weight, pressure, or strain; as, a weak timber; a weak rope.
• v. i. - Not firmly united or adhesive; easily broken or separated into pieces; not compact; as, a weak ship.
• v. i. - Not stiff; pliant; frail; soft; as, the weak stalk of a plant.
• v. i. - Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.
• v. i. - Lacking force of utterance or sound; not sonorous; low; small; feeble; faint.
• v. i. - Not thoroughly or abundantly impregnated with the usual or required ingredients, or with stimulating and nourishing substances; of less than the usual strength; as, weak tea, broth, or liquor; a weak decoction or solution; a weak dose of medicine.
• v. i. - Lacking ability for an appropriate function or office; as, weak eyes; a weak stomach; a weak magistrate; a weak regiment, or army.
• v. i. - Not possessing or manifesting intellectual, logical, moral, or political strength, vigor, etc.
• v. i. - Feeble of mind; wanting discernment; lacking vigor; spiritless; as, a weak king or magistrate.
• v. i. - Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
• v. i. - Not having full confidence or conviction; not decided or confirmed; vacillating; wavering.
• v. i. - Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable; as, weak resolutions; weak virtue.
• v. i. - Wanting in power to influence or bind; as, weak ties; a weak sense of honor of duty.
• v. i. - Not having power to convince; not supported by force of reason or truth; unsustained; as, a weak argument or case.
• v. i. - Wanting in point or vigor of expression; as, a weak sentence; a weak style.
• v. i. - Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
• v. i. - Lacking in elements of political strength; not wielding or having authority or energy; deficient in the resources that are essential to a ruler or nation; as, a weak monarch; a weak government or state.
• v. i. - Tending towards lower prices; as, a weak market.
• v. i. - Pertaining to, or designating, a verb which forms its preterit (imperfect) and past participle by adding to the present the suffix -ed, -d, or the variant form -t; as in the verbs abash, abashed; abate, abated; deny, denied; feel, felt. See Strong, 19 (a).
• v. i. - Pertaining to, or designating, a noun in Anglo-Saxon, etc., the stem of which ends in -n. See Strong, 19 (b).
• a. - To make or become weak; to weaken.