How to Give an Impromptu Speech, with Examples

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Updated March 02, 2021 - Dom Barnard

An impromptu speech is when you're asked to speak in public without prior notice. It can be one of the most terrifying speeches you'll ever do; standing up in front of a crowd and having to speak for a few minutes without preparation is daunting, even for the most seasoned speakers.

It's not likely to happen often, however when it does, you don't want to be caught completely off-guard. Here are a few things to bear in mind if you're asked to speak at short notice.

Impromptu speech definition

An impromptu speech is given with little or no preparation, yet almost always with some advance knowledge on the topic. This is sometimes referred to as "off the cuff" or "spur of the moment".

For example, in class, a teacher may ask a student to give a short impromptu speech about a topic that was in the assigned readings. Business meetings may also start with everyone talking briefly about what they have done recently on the project.

In small informal meetings, the audience will interrupt an impromptu speech and ask questions, which helps guide the speech and the information that is presented.

When campaigning, politicians sometimes respond to reporters or voters almost anywhere and at any time.

Comedians are well known for their impromptu replies to hecklers, which are sometimes planned, but usually made up on the spot.

Tips on giving an impromptu speech

If you are about to make an impromptu speech and have a few minutes to prepare, follow these two tips:

1. Make some quick notes

The first thing you should do when asked to speak is to grab a pen and a piece of paper (or napkin - whatever you can find to write on). Jot down a few initial ideas, or even just a few words that you can expand upon during your speech.

If you don't write anything else, make sure you've written down your starting and ending sentences, as these are the most important.

2. Decide on the tone

Next, think about what tone to speak in. This will depend on the type of event you're at. For example, at a wedding, you would speak informally, and you can have fun with the speech, whereas at a business conference you would speak more formally and stick to a professional tone.

Impromptu speech frameworks

This is when it gets easy. Pick one of these frameworks to use as a structure for your impromptu speech, and you'll instantly feel more prepared. They're easy to remember, so you won't have to write them down - instead write down keywords for each point.

1. The 5 Ws

Useful for when you're speaking about a person or specific event

Following the 5 Ws provides instant structure to your speech, and you'll be able to organise your thoughts in an easy-to-follow way. You don't even need to change the order - starting with ‘who' gives context to the speech and ending with ‘why' leaves the audience with the most important, relatable point.

For example, if you're talking about a fundraising event, you could say who started the charity, what the goals are, where it is heading, when the event is happening, and why it's important.

2. Diplomatic framework

Useful for formal occasions such as a business conference.

For this impromptu speech, start by talking about the advantages and disadvantages of the subject topic, then end with a conclusion.

This will make your speech informative and enable you to talk for a longer period of time than the 5 Ws. It's important not to be afraid of silence when using this framework.

Given that there is less room for creativity, you may find you need to pause to think about what you're going to say next. While you think, you could walk up and down the stage slightly as if you are letting your last point settle, ask if there are any questions, or ask for a glass of water.

These techniques all buy you more time if your mind goes blank and save you (and your audience) from feeling awkward about a prolonged silence.

3. Storytelling

Useful for informal events such as weddings and book launches.

Storytelling is a powerful method of speaking and is an easy way of connecting with the audience. When having to speak when you aren't prepared, start off small, then medium, and end large. Basically, talk about the event from an individual perspective, then a group or national perspective, and end with the bigger picture.

For example, if you're asked to give a speech at a wedding, you could talk about when you met the couple and your experiences with them (small), what their relationship and marriage means to the rest of the wedding guests (medium), and end with the future of their relationship and their family legacy.

Practice impromptu speeches

Impromptu speeches, by their nature, are hard to practice for. You don't know what the topic will be or the type of audience you'll be facing. However, the more you practice, the better you'll be when the impromptu situation arises.

We've designed an impromptu speaking exercise with the following:

• Speak about what's on a random slide for 30 seconds each slide
• Feedback on your performance so you can identify areas that need improving
• Audio of the practice session is recorded so that you can listen back and self-evaluate your performance

You'll practice quick thinking by talking about a series of random slides for 30 seconds each. You'll be able to give speeches at short notice and answer questions more easily with this brain training.

Examples of an impromptu speech

Here are two examples of impromptu speeches. The videos skip the short preparation time and start when the speaker starts speaking.

Example 1

Example 2

In summary

Being able to deliver an impromptu speech is an important skill to have and will save you a lot of anxiety when you're asked to speak at the last minute.

To prepare yourself for the unknown, try an impromptu practice exercise so that your brain is trained to think on the spot. Not only is this an effective way to learn, but it's also fun!