| weak | |
| 1. adj. Lacking in force (usually strength) or ability. | |
| The child was too weak to move the boulder. | |
| They easily guessed his weak computer password. | |
| 2. adj. Unable to sustain a great weight, pressure, or strain. | |
| a weak timber; a weak rope | |
| 3. adj. Unable to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable. | |
| weak resolutions; weak virtue | |
| 4. adj. Dilute, lacking in taste or potency. | |
| We were served stale bread and weak tea. | |
| 5. adj. (grammar) Displaying a particular kind of inflection, including: | |
| 6. adj. (Germanic languages, of verbs) Regular in inflection, lacking vowel changes and having a past tense with -d- or -t-. | |
| 7. adj. (Germanic languages, of nouns) Showing less distinct grammatical endings. | |
| 8. adj. (Germanic languages, of adjectives) Definite in meaning, often used with a definite article or similar word. | |
| 9. adj. (chemistry) That does not ionize completely into anions and cations in a solution. | |
| a weak acid; a weak base | |
| 10. adj. (physics) One of the four fundamental forces associated with nuclear decay. | |
| 11. adj. (slang) Bad or uncool. | |
| This place is weak. | |
| 12. adj. (mathematics, logic) Having a narrow range of logical consequences; narrowly applicable. (Often contrasted with a strong statement which implies it.) | |
| 13. adj. Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish. | |
| 14. adj. Not having power to convince; not supported by force of reason or truth; unsustained. | |
| The prosecution advanced a weak case. | |
| 15. adj. Lacking in vigour or expression. | |
| a weak sentence; a weak style | |
| 16. adj. Not prevalent or effective, or not felt to be prevalent; not potent; feeble. | |
| 17. adj. (stock exchange) Tending towards lower prices. | |
| a weak market; wheat is weak at present | |
| 18. adj. (photography) Lacking contrast. | |
| a weak negative | |
