Boy vs Guy vs Lad vs Young fella

When to use each in English, with meaning, register, and examples.

Boy

Top 1,000 (very common)A1noun

Guy

InformalTop 1,000 (very common)A2noun

Lad

InformalTop 2,000 (common)C1noun

Young fella

InformalBeyond 10,000 (less common)
Most formal: Boy
 BoyGuyLadYoung fella
Pronunciation🇬🇧 /["/bɔɪ/"]/🇺🇸 /["/bɔɪ/"]/🇬🇧 /["/ɡaɪ/"]/🇺🇸 /["/ɡaɪ/"]/🇬🇧 /["/læd/"]/🇺🇸 /["/læd/"]/🇬🇧 //jʌŋ ˈfɛlə//🇺🇸 //jʌŋ ˈfɛloʊ//
MeaningA young male child or teenager.A man or a boy.A young man or boy.A young man or boy, often used informally.
ExampleThe boy played soccer with his friends after school.The guy at the coffee shop always remembers my order.Things have changed since I was a lad.That young fella over there is really talented at soccer.
RegisterNeutralInformalInformalInformal
How commonTop 1,000 (very common)Top 1,000 (very common)Top 2,000 (common)Beyond 10,000 (less common)
CEFR levelA1A2C1-
Part of speechnounnounnoun
Collocationsbig, little, small, have, big, little, small, havedecent, friendly, funnylittle, young, big, bunch, groupyoung fella with talent, young fella in a group, young fella playing sports
Antonymsgirl, womangirl, womangirl, woman-
Common mistakesConfused with 'girl' as the opposite gender, Overused in contexts where 'man' is more appropriate for older males, Used in plural as 'boy's' instead of 'boys'Used 'guy' for a girl, which is less common., Confused with 'guy's' as a possessive instead of just a noun., Overused in formal situations.Confused with 'guy' as they can have different connotations in certain regions., Used inappropriately in formal writing, where 'young man' is better., Mispronounced by non-native speakers, often saying 'lad' as 'ladd'.Confused with 'young fellow', which is more formal., Overused in serious contexts where 'young man' would be better., May be mistakenly used to refer to someone much older.
Usage notesUsed to refer to a child or teenager, typically under the age of 18. In formal contexts, refer to 'young man’ or 'male child'.Used in casual conversations. Avoid in formal writing or speeches. Can refer to people in general, not just males, in very informal contexts.Commonly used in British English, 'lad' is friendly and casual. It’s often used in a playful or affectionate way, usually among friends. Not suitable for formal situations.'Young fella' is a casual term often used to refer to a boy or young man. It is common in friendly conversations but may not be appropriate in formal settings.

See it in real clips

Boy
Guy
Young fella

Frequently asked questions: Boy vs Guy vs Lad vs Young fella

What's the difference between Boy, Guy, Lad, and Young fella?

Boy: A young male child or teenager. Guy: A man or a boy. Lad: A young man or boy. Young fella: A young man or boy, often used informally.

Which is more formal: Boy, Guy, Lad, and Young fella?

Boy is the most formal of these.

Which is more advanced: Boy, Guy, Lad, and Young fella?

Lad is the highest level, at C1, on the CEFR scale.

Can you show an example of each?

Boy: The boy played soccer with his friends after school. Guy: The guy at the coffee shop always remembers my order. Lad: Things have changed since I was a lad. Young fella: That young fella over there is really talented at soccer.

Can I use Boy, Guy, Lad, and Young fella interchangeably?

Not always. Boy, Guy, Lad, and Young fella are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

Related comparisons