speak up
2 meanings
speak more loudly so people can hear you
What does "speak up" mean in this sense?
Examples
- Could you speak up a bit? I can barely hear you from the back of the room.
- The teacher asked the student to speak up because the classroom was very noisy.
- She always has to speak up when she calls her grandmother, who is hard of hearing.
How to use it
The most common form — used as a direct request when someone cannot be heard clearly.
Speak up, please — it's very noisy in here!
Used to make a polite request for someone to raise their voice.
Can you speak up a bit? I'm having trouble hearing you on this line.
Adding 'a bit' or 'a little' softens the request and makes it sound more natural and polite.
You'll need to speak up a little — the people at the back can't hear you.
Used to report that someone was requested to raise their voice.
The interviewer asked the candidate to speak up because the recording equipment wasn't picking up his voice.
Used to explain that speaking more loudly is necessary in a particular situation.
You'll need to speak up during the presentation — the room doesn't have a microphone.
Common Collocations
Common Mistakes
'Speak up' has two different meanings: one is about volume (talk louder), and the other is about expressing your opinion. These look exactly the same, so always check the context — if the situation involves a hearing or volume problem, it means 'talk louder'.
'Speak up' is intransitive — it never takes a direct object. You cannot 'speak up your voice' or 'speak it up'.
'Speak out' is always about expressing opinions or views on an issue, never about volume. If you mean 'talk louder', always use 'speak up', not 'speak out'.
Usage
This phrasal verb is neutral and used in both British and American English. The imperative form is very common and not considered rude; adding 'a bit', 'a little', or 'please' makes it more polite.
say what you think openly and with confidence
Sense 2: What does "speak up" mean?
Examples
- If you think something is unfair, you need to speak up.
- She finally spoke up about the problem after months of silence.
- Why didn't anyone speak up for him during the investigation?
How to use it
The most basic use — no object is needed or possible; the focus is simply on the act of voicing your opinion.
Everyone in the room disagreed, but nobody was willing to speak up.
Use 'for' when you are voicing support on behalf of someone else or a cause.
It takes confidence to speak up for a colleague when they're being treated unfairly.
Use 'about' to introduce the topic or concern you are raising.
More employees need to speak up about problems before they get out of hand.
Use 'against' when you are openly opposing a policy, practice, or behaviour.
She was one of the first people to speak up against the unfair grading system.
Modal verbs expressing obligation or encouragement are extremely common with this phrasal verb.
If you think the plan has a flaw, you should speak up before it's too late.
Common Collocations
Common Mistakes
'Speak up' and 'speak out' overlap, but 'speak up' focuses on the personal courage to break your own silence, while 'speak out' suggests a more public or formal declaration, often specifically against something. They are not always interchangeable.
'Speak up' is intransitive and cannot take a direct object. If you want to specify what you are raising, use a preposition such as 'about', 'for', or 'against'.
'Speak up' in this sense describes a deliberate act rather than an ongoing process, so the present continuous often sounds unnatural. Stick to the simple present, imperative, or past simple in most situations.
Usage
This phrasal verb is neutral and works in both spoken and written English. It is especially common in motivational or empowerment contexts and frequently follows modal verbs like 'should' or 'need to'.
Frequently Asked Questions
Is it rude to say 'Speak up!' to someone?
Not usually — 'Speak up!' is a normal, practical request and is not considered rude on its own. However, adding 'please', 'a bit', or 'a little' makes it sound friendlier and more polite, which is a good habit especially in formal situations like meetings or classrooms.
Does 'speak up' always mean 'talk louder'?
No — 'speak up' has two common meanings. The other meaning is 'to express your opinion or say what you think', which is a completely different idea. The context usually makes it clear: if someone mentions they can't hear you or there's noise, it's about volume; if the situation is about sharing views or standing up for something, it's the other meaning.
Can I use 'speak up' in a text message or email?
Yes, it works in written English too, though it's more common in spoken situations. You might see it in written instructions, such as 'If you cannot be heard, please speak up or move closer to the microphone.' In text messages, it's fine when you're describing what someone said or asked.
Is 'speak up' used in both British and American English?
Yes, 'speak up' is used in both British and American English with exactly the same meaning. There is no regional difference in how it is used or understood.
Does 'speak up' always mean expressing an opinion? I've also heard it used differently.
No — 'speak up' has a second common meaning: to speak more loudly, as in 'Could you speak up? I can't hear you.' You can usually tell the senses apart from context. If the situation involves volume or hearing, it's the 'louder' sense. If it involves courage, silence, or voicing a view, it's the 'express your opinion' sense covered here.
Can I use 'speak up' in formal writing, or is it too informal?
It's perfectly appropriate in formal contexts — you'll find it in journalism, opinion pieces, and professional writing without any problem. It's also very natural in speech, so it works across a wide range of situations.
Is there a difference between 'speak up for someone' and 'speak up about something'?
'Speak up for someone' means you are voicing support or defence on that person's behalf. 'Speak up about something' means you are raising a particular issue or concern. Both are common — the preposition you choose depends on whether your focus is on a person or a topic.
Why does 'speak up' so often appear with words like 'afraid', 'finally', or 'dare to'?
These words reflect the core meaning of 'speak up' — the idea that breaking your silence requires overcoming hesitation or fear. Phrases like 'finally spoke up' or 'too afraid to speak up' naturally go with this verb because the courage involved is central to what it means.
Can 'speak up' be used as an imperative?
Yes — 'Speak up!' is one of the most common uses of this phrasal verb. It works as a direct, encouraging call to action, telling someone to say what they think. You'll hear it in meetings, classrooms, and conversations where someone is being too quiet about their views.
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