Definition of Weak

Weak

1. Tending toward a lower price or lower prices; as, wheat is weak; a weak market.
2. Lacking in good cards; deficient as to number or strength; as, a hand weak in trumps.
3. Lacking contrast; as, a weak negative.
4. Wanting physical strength.
5. Deficient in strength of body; feeble; infirm; sickly; debilitated; enfeebled; exhausted.
6. Not able to sustain a great weight, pressure, or strain; as, a weak timber; a weak rope.
7. Not firmly united or adhesive; easily broken or separated into pieces; not compact; as, a weak ship.
8. Not stiff; pliant; frail; soft; as, the weak stalk of a plant.
9. Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.
10. Lacking force of utterance or sound; not sonorous; low; small; feeble; faint.
11. 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.
12. Lacking ability for an appropriate function or office; as, weak eyes; a weak stomach; a weak magistrate; a weak regiment, or army.
13. Not possessing or manifesting intellectual, logical, moral, or political strength, vigor, etc.
14. Feeble of mind; wanting discernment; lacking vigor; spiritless; as, a weak king or magistrate.
15. Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
16. Not having full confidence or conviction; not decided or confirmed; vacillating; wavering.
17. Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable; as, weak resolutions; weak virtue.
18. Wanting in power to influence or bind; as, weak ties; a weak sense of honor of duty.
19. Not having power to convince; not supported by force of reason or truth; unsustained; as, a weak argument or case.
20. Wanting in point or vigor of expression; as, a weak sentence; a weak style.
21. Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
22. 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.
23. Tending towards lower prices; as, a weak market.
24. 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).
25. Pertaining to, or designating, a noun in Anglo-Saxon, etc., the stem of which ends in -n. See Strong, 19 (b).
26. To make or become weak; to weaken.