unknown

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.

When the cells were removed, pigeons struggled to find their way home, pointing to a previously unknown role in navigation.

From Science Daily • May 31, 2026

Gum arabic, a resin that comes from the acacia tree, is as ubiquitous as it is unglamorous, virtually unknown despite being a vital ingredient in hundreds of products.

From Los Angeles Times • May 31, 2026

The exact number in the latest batch of deportees was unknown, but Meredyth Yoon, a US-based lawyer associated with one of the deportation cases, said they arrived Thursday.

From Barron's • May 30, 2026

When Thoreau set out for his first of his three chronicled trips to Cape Cod in 1849, he was a virtually unknown hanger-on to America’s foremost public intellectual, Ralph Waldo Emerson.

From The Wall Street Journal • May 29, 2026

I’ve thought about it a lot, and she just can’t go around breeding dangerous unknown superchicken mixes that will have to get killed like Buffy’s chicks.

From "Unusual Chickens for the Exceptional Poultry Farmer" by Kelly Jones