Come on vs Encourage vs Let's go

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

Come on

InformalTop 1,000 (very common)

Encourage

Top 1,000 (very common)B1verb

Let's go

Top 1,000 (very common)
 Come onEncourageLet's go
Pronunciation🇬🇧 //kʌm ɒn//🇺🇸 //kʌm ɑn//🇬🇧 //ɪnˈkʌrɪdʒ//🇺🇸 //ɪnˈkɜrɪdʒ//🇬🇧 //lɛts ɡəʊ//🇺🇸 //lɛts ɡoʊ//
MeaningA phrase used to encourage someone or show disbelief.To make someone want to do something or feel confident.A way to suggest leaving or starting an activity together.
ExampleCome on, we don't have all day!Teachers always try to encourage their students to focus on their studies.Let's go to the park this afternoon.
RegisterInformalNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)Top 1,000 (very common)
CEFR level-B1-
Part of speechverb
Collocationscome on over, come on in, come on guysencourage someone to do something, encourage growth, encourage participationlet's go out, let's go home, let's go eat
Antonymsgo away, leave, stop, give updiscourage, dissuade-
Common mistakesUsing in formal settings where a more polite phrase is required., Confusing with 'come along', which has a different meaning., Using it without context, making it unclear.Using 'encourage' without an object (e.g. 'I encourage to study' instead of 'I encourage you to study')., Confusing with 'discourage' which means to make someone less confident., Using the wrong verb form after 'to' (e.g. 'encourage you study' instead of 'encourage you to study').Using 'lets' instead of 'let's' as a contraction for 'let us', Confusing the meaning with 'let go', Not using it with a verb following, e.g., 'let's walk'
Usage notesUse 'come on' to motivate someone or express frustration. It's informal and may be inappropriate in formal situations.Used when you want to support someone in taking action or improving their situation. It is appropriate in both casual and formal contexts.Commonly used for invitations or suggestions. Suitable in casual conversations among friends, but less formal in business settings.

See it in real clips

Come on
Let's go

Frequently asked questions: Come on vs Encourage vs Let's go

What's the difference between Come on, Encourage, and Let's go?

Come on: A phrase used to encourage someone or show disbelief. Encourage: To make someone want to do something or feel confident. Let's go: A way to suggest leaving or starting an activity together.

Can you show an example of each?

Come on: Come on, we don't have all day! Encourage: Teachers always try to encourage their students to focus on their studies. Let's go: Let's go to the park this afternoon.

Can I use Come on, Encourage, and Let's go interchangeably?

Not always. Come on, Encourage, and Let's go 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