Failed, not successful.
Not prevalent or effective, or not felt to be prevalent; not potent; feeble.
That does not ionize completely into anions and cations in a solution.
Not having power to convince; not supported by force of reason or truth; unsustained.
Lacking in vigour or expression.
Unable to sustain a great weight, pressure, or strain.
Definite in meaning, often used with a definite article or similar word.
One of the four fundamental forces associated with nuclear decay.
Dilute, lacking in taste or potency.
Showing less distinct grammatical endings.
Having a narrow range of logical consequences; narrowly applicable. (Often contrasted with a strong statement which implies it.)
Tending towards lower prices.
Lacking in force (usually strength) or ability.
Unable to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable.
Bad or uncool.
Regular in inflection, lacking vowel changes and having a past tense with -d- or -t-.
Resulting from, or indicating, lack of judgment, discernment, or firmness; unwise; hence, foolish.
Lacking contrast.