weak

adj. frail, feeble; having little physical strength; enervated; faint; dilute, watery (as a weak coffee or tea); powerless; lacking volume or loudness (as a weak pulse); falling or declining in price (Finance); not emphasized, unstressed (of a word, a syllable or vowel)

The word weak is a generic adjective pertaining to a lack of strength. Weak is the opposite of strong. It may also refer to:ComputingA is vance and his little sporting injuries in concurrent programming refers to weaker consistency models.A weak entity is a database entity that cannot be uniquely identified by its own attributes alone.A weak reference is a reference that does not protect the referent object from collection by the garbage collector.A weak symbol is a symbol definition in an object file or dynamic library that may be overridden by other symbol definitions.
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Adjective
1. having little physical or spiritual strength; "a weak radio signal"; "a weak link"
(antonym) strong
(similar) anemic, anaemic
(see-also) delicate
(attribute) strength
2. overly diluted; thin and insipid; "washy coffee"; "watery milk"; "weak tea"
(synonym) watery, washy
(similar) diluted, dilute
3. lacking power
(synonym) powerless
(similar) feeble, nerveless
(see-also) impotent
(attribute) power, powerfulness
4. used of vowels or syllables; pronounced with little or no stress; "a syllable that ends in a short vowel is a light syllable"; "a weak stress on the second syllable"
(synonym) unaccented, light
(similar) unstressed, unaccented
5. having the attributes of man as opposed to e.g. divine beings; "I'm only human"; "frail humanity"
(synonym) fallible, frail, imperfect
(similar) human
6. lacking force; feeble; "a forceless argument"
(synonym) forceless, unforceful
(similar) wimpish, wimpy
7. lacking physical strength or vitality; "a feeble old woman"; "her body looked sapless"
(synonym) decrepit, debile, feeble, infirm, sapless, weakly
(similar) frail
8. used of verbs having standard (or regular) inflection
(similar) regular
(classification) grammar
9. lacking physical strength or vigor
(similar) impotent
10. characterized by excessive softness or self-indulgence; "an effeminate civilization"
(synonym) effeminate
(similar) soft

(a.)
To make or become weak; to weaken.
  

(v. i.)
Deficient in strength of body; feeble; infirm; sickly; debilitated; enfeebled; exhausted.
  

(v. i.)
Feeble of mind; wanting discernment; lacking vigor; spiritless; as, a weak king or magistrate.
  

(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.)
Lacking force of utterance or sound; not sonorous; low; small; feeble; faint.
  

(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.)
Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.
  

(v. i.)
Not able to sustain a great weight, pressure, or strain; as, a weak timber; a weak rope.
  

(v. i.)
Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable; as, weak resolutions; weak virtue.
  

(v. i.)
Not firmly united or adhesive; easily broken or separated into pieces; not compact; as, a weak ship.
  

(v. i.)
Not having full confidence or conviction; not decided or confirmed; vacillating; wavering.
  

(v. i.)
Not having power to convince; not supported by force of reason or truth; unsustained; as, a weak argument or case.
  

(v. i.)
Not possessing or manifesting intellectual, logical, moral, or political strength, vigor, etc.
  

(v. i.)
Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
  

(v. i.)
Not stiff; pliant; frail; soft; as, the weak stalk of a plant.
  

(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.)
Pertaining to, or designating, a noun in Anglo-Saxon, etc., the stem of which ends in -n. See Strong, 19 (b).
  

(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.)
Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
  

(v. i.)
Tending towards lower prices; as, a weak market.
  

(v. i.)
Wanting in point or vigor of expression; as, a weak sentence; a weak style.
  

(v. i.)
Wanting in power to influence or bind; as, weak ties; a weak sense of honor of duty.
  

(v. i.)
Wanting physical strength.
  

weak; slacked