from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Lacking physical strength, energy, or vigor; feeble.
- adj. Likely to fail under pressure, stress, or strain; lacking resistance: a weak link in a chain.
- adj. Lacking firmness of character or strength of will.
- adj. Lacking the proper strength or amount of ingredients: weak coffee.
- adj. Lacking the ability to function normally or fully: a weak heart.
- adj. Lacking aptitude or skill: a weak student; weak in math.
- adj. Lacking or resulting from a lack of intelligence.
- adj. Lacking persuasiveness; unconvincing: a weak argument.
- adj. Lacking authority or the power to govern.
- adj. Lacking potency or intensity: weak sunlight.
- adj. Linguistics Of, relating to, or being those verbs in Germanic languages that form a past tense and past participle by means of a dental suffix, as start, started; have, had; bring, brought.
- adj. Linguistics Of, relating to, or being the inflection of nouns or adjectives in Germanic languages with a declensional suffix that historically contained an n.
- adj. Unstressed or unaccented in pronunciation or poetic meter. Used of a word or syllable.
- adj. Designating a verse ending in which the metrical stress falls on a word or syllable that is unstressed in normal speech, such as a preposition.
- adj. Tending downward in price: a weak market for oil stocks.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Lacking in force (usually strength) or ability.
- adj. Dilute, lacking in taste or potency.
- adj. Displaying a particular kind of inflection, including:
- adj. One of the four fundamental forces associated with nuclear decay.
- adj. Bad or uncool.
from the GNU version of the Collaborative International Dictionary of English
- adj. Wanting physical strength.
- adj. Deficient in strength of body; feeble; infirm; sickly; debilitated; enfeebled; exhausted.
- adj. Not able to sustain a great weight, pressure, or strain.
- adj. Not firmly united or adhesive; easily broken or separated into pieces; not compact.
- adj. Not stiff; pliant; frail; soft.
- adj. Not able to resist external force or onset; easily subdued or overcome.
- adj. Lacking force of utterance or sound; not sonorous; low; small; feeble; faint.
- adj. Not thoroughly or abundantly impregnated with the usual or required ingredients, or with stimulating and nourishing substances; of less than the usual strength.
- adj. Lacking ability for an appropriate function or office.
- adj. Not possessing or manifesting intellectual, logical, moral, or political strength, vigor, etc.
- adj. Feeble of mind; wanting discernment; lacking vigor; spiritless.
- adj. Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
- adj. Not having full confidence or conviction; not decided or confirmed; vacillating; wavering.
- adj. Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable.
- adj. Wanting in power to influence or bind.
- adj. Not having power to convince; not supported by force of reason or truth; unsustained.
- adj. Wanting in point or vigor of expression.
- adj. Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
- adj. 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.
- adj. Tending towards lower prices.
- adj. 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).
- adj. Pertaining to, or designating, a noun in Anglo-Saxon, etc., the stem of which ends in -n. See Strong, 19 (b).
- adj. Tending toward a lower price or lower prices.
- adj. Lacking in good cards; deficient as to number or strength.
- adj. Lacking contrast.
- v. To make or become weak; to weaken.
from The Century Dictionary and Cyclopedia
- Bending under pressure, weight, or force; pliant, or pliable; yielding; lacking stiffness or firmness: as, the weak stem of a plant.
- Lacking strength; not strong.
- Deficient in bodily strength, vigor, or robustness; feeble, either constitutionally or from age, disease, etc.; infirm; of the organs of the body, deficient in functional energy, activity, or the like: as, a weak stomach; weak eyes.
- Lacking moral strength or firmness; liable to waver or succumb when urged or tempted; deficient in steady principle or in force of character.
- Lacking mental power, ability, or balance; simple; silly; foolish.
- Unequal to a particular need or emergency; ineffectual or inefficacious; inadequate or unsatisfactory; incapable; impotent.
- Incapable of support; not to be sustained or maintained: unsupported by truth, reason, or justice: as, a weak claim, assertion, argument, etc.
- Deficient in force of utterance or sound; having little volume, loudness, or sonorousness; low; feeble; small.
- Not abundantly or sufficiently impregnated with the essential, required, or usual ingredients, or with stimulating or nourishing substances or properties; not of the usual strength: as, weak tea; weak broth; a weak infusion; weak punch.
- Deficient in pith, pregnancy, or point; lacking in vigor of expression: as, a weak sentence; a weak style.
- Resulting from or indicating lack of judgment, discernment, or firmness; arising from want of moral courage, of self-denial, or of determination; injudicious: as, a weak compliance; a weak surrender.
- Slight; inconsiderable; trifling.
- (I) In grammar, infiected— as a verb, by regular syllabic addition instead of by change of the radical vowel;
- as a noun or an adjective, with less full or original differences of case-and number-forms: opposed to strong (which see).
- Poorly supplied; deficient: as, a hand weak in trumps.
- Tending downward in price: as, a weak market; corn was weak.
- To make weak; weaken.
- To soften.
- To become weak.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. lacking bodily or muscular strength or vitality
- adj. wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings
- adj. (used of vowels or syllables) pronounced with little or no stress
- adj. (used of verbs) having standard (or regular) inflection
- adj. wanting in physical strength
- adj. deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc
- adj. deficient in intelligence or mental power
- adj. deficient or lacking in some skill
- adj. not having authority, political strength, or governing power
- adj. overly diluted; thin and insipid
- adj. tending downward in price
- adj. likely to fail under stress or pressure
Middle English weike, from Old Norse veikr, pliant; see weik-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English weike, from Old Norse veikr "weak," cognate with Old English wīcan "to yield." Proto-Indo-European base *weik- "to bend, wind". Replaced the native Old English wāc. Cf. German weich, Dutch week. (Wiktionary)