are thickening
- present progressive of thicken.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The heavier lines in their spectrum indicate more absorption of light, and tell us that the vapours are thickening about the globe; while compounds like titanium oxide make their appearance, announcing a fall of temperature.
From The Story of Evolution by McCabe, Joseph
“The clouds are thickening, and the storm will soon burst.”
From An Oregon Girl A Tale of American Life in the New West by Rice, Alfred Ernest
It won't do to hope too much, but surely all the boats are thickening to one spot....
From Somehow Good by De Morgan, William Frend
"Whew! things are thickening, for a fact!" exclaimed Bob.
From The Saddle Boys of the Rockies Lost on Thunder Mountain by Carson, James
I had a pressing invitation, and it would have been exciting enough for the mere strange gathering it brought about, but my home anxieties are thickening every hour.
From Charles Lever, His Life in His Letters, Vol. II by Downey, Edmund
