Words similar to unfortunately

Example sentences for: unfortunately

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

Although these models are based on well-known biological processes, there is, unfortunately, little experimental evidence to directly confirm the validity of these models.
Unfortunately, drug companies are not developing new antibiotics to fight the drug-resistant bugs, so they may spread unchecked.
Unfortunately, most of the vaccine approaches assessed to date in animal studies have failed to induce sterilizing immunity [4–7], although some prophylactic approaches were found to reduce susceptibility to infection [8–12].
Unfortunately, the coffin was desecrated in 1928 by a warlord who also plundered the tomb’s treasures, including 25,000 pearls and a burial quilt studded with rare pearls.
Unfortunately for Morris, Clinton ignored this particular advice and decided to stay within the limits.