join in
A2 neutral inseparable both
In simple words
To do something together with other people who are already doing it.
Meanings
1 A2 neutral
To become part of an activity or event that others are already doing.
"The children started singing, and soon all the parents joined in."
"Won't you join in?"
— Common phrasing in countless English classroom songs and children's media, e.g. traditional rounds and group songs
Grammar: inseparable
2 A2 neutral
To contribute to a shared effort or discussion.
"Please feel free to join in the conversation at any point."
Grammar: inseparable
Usage notes
Very common and natural in everyday speech. Can be used absolutely ('everyone joined in') or with 'with' ('joined in with the singing'). Conveys enthusiasm or inclusiveness. Suitable for all ages and contexts.
Commonly used with
fun singing celebration game conversation laughter
Forms
Base
join in
I/you/we/they
3rd person
joins in
he/she/it
Past simple
joined in
yesterday
Past participle
joined in
have + pp
-ing form
joining in
continuous
Understand "join in" better
Try:
Real video examples
Video examples are being collected. Check back soon.
Want to master this phrasal verb?
Practice "join in" on Looplines