Words similar to unable

Example sentences for: unable

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

We were also unable to detect the T790M mutation in any specimens from the three additional patients with acquired resistance that failed to demonstrate secondary mutations in EGFR exons 18 to 24 by direct sequencing (data not shown).
Japan isn't a place where the state is weak, unable to collect taxes or convince investors that their property rights are secure.
He invited me to his wedding, though I was unable to attend.
Perhaps SIDS will turn out to be a kind of freak accident in which babies, unable to turn over, are smothered by their own bedding.
But in these stories, especially the later ones, he seems to have been unable to get beyond his own commonplace fantasies about prostitutes and 1960s miniskirts.