Words similar to failed

Example sentences for: failed

How can you use “failed” in a sentence? Here are some example sentences to help you improve your vocabulary:

Several studies have looked at the content of infant feeding information from the perspective of medical professionals [ 14 15 ] , but fewer studies have asked the mothers if and when they received breastfeeding information [ 16 ] . A literature search failed to identify any study that correlates information about breastfeeding in a non-trial setting with feeding patterns including the use of colostrum and prelacteal food.
However, we have failed to reconstitute the ubiquitination activity of mammalian COP1 in vitro.
They trotted out numerous theories to establish the Kosovo mission's futility: Air power alone had never won a war, the Serbs had proven their invincibility against Hitler, and negotiation backed by gradual military escalation had failed in Vietnam.
At first Hsing-Hsing failed to inseminate Ling-Ling because he tried to mate with her ear and her arm.
However, human studies have failed to demonstrate a clear-cut influence of hormonal environment on disease susceptibility to lupus or other autoimmune disorders.