weak
/wiːk/
Lacking in force (usually strength) or ability.
The child was too weak to move the boulder.
Unable to sustain a great weight, pressure, or strain.
a weak timber; a weak rope
Unable to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable.
weak resolutions; weak virtue
Dilute, lacking in taste or potency.
We were served stale bread and weak tea.
(grammar) Displaying a particular kind of inflection, including:
That does not ionize completely into anions and cations in a solution.
a weak acid; a weak base
One of the four fundamental forces associated with nuclear decay.
Bad or uncool.
This place is weak.
Having a narrow range of logical consequences; narrowly applicable. (Often contrasted with a strong statement which implies it.)
Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
Not having power to convince; not supported by force of reason or truth; unsustained.
The prosecution advanced a weak case.
Lacking in vigour or expression.
a weak sentence; a weak style
Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
Tending towards lower prices.
a weak market; wheat is weak at present
Lacking contrast.
a weak negative