superlative adjective
Younger than everyone else in a particular group.
She is the youngest student in her class.
The youngest of the four brothers lives nearby.
American English
How to pronounce youngest
adjective · nounA1Very common word
YUHNGguhst
/ˈjəŋ.gəst̚/
2 syllables · Stress the first syllable.
Form of young
Youngest is usually used with the before a noun, as in the youngest child; it can also stand alone when the person or animal is clear.
Younger than everyone else in a particular group.
Practice out loudMeanings & examples
superlative adjective
Less developed or mature than all the others in a group.
The youngest trees in the orchard need extra water.
The youngest plants are not ready for the cold.
superlative adjective
Having less experience than everyone else in a group.
The youngest workers on the project need the most guidance.
Among the new employees, Daniel is the youngest and needs the most training.
Good to know
In this meaning, youngest refers to experience, not necessarily age.
noun use
The person or animal that is younger than all the others in a group.
The youngest is asleep upstairs.
The youngest of the puppies needed a bottle.
Good to know
The noun is usually used with the, as in the youngest, when the person or animal is clear from the context.
Useful expressions
Still energetic and interested in life, even when you are old.
My grandfather is young at heart.
Looking or behaving younger than expected for your age.
She looks young for her age.
People of all ages.
The festival attracts young and old.