In daily conversation, when we discuss/say about the baby excrement/faeces.

Which word should we used? Excrement, faeces or poop?

  • 5
    I love this site. This is exactly the type of question that you genuinely need to know if you want to speak English, but which a language course is never going to teach you. Nov 9, 2014 at 2:14
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    Just an aside: It's usually spelled feces in American English.
    – J.R.
    Nov 9, 2014 at 2:49
  • The word $\ddag$ shit is often used in this context, but it could be considered obscene or vulgar unless talking to people you are very familiar with.
    – Hugh
    Nov 9, 2014 at 7:40

1 Answer 1


In daily conversation you would say poop or poo in American English.

Excrement is used when talking about feces (the AmE spelling) being disgusting and filthy.

Feces is usually used to describe it in a more clinical or studied way, as to a doctor or scientist.

We also say that a baby has a dirty/soiled diaper. You could also simply say that a baby is dirty, or that the baby needs changing.

You might also hear someone say that a baby went number two. Number one would be peeing. This is very informal.

For wild animals, the word scat is often used.

For farm animals, the word manure is used.

Any of these might jokingly be used to describe a baby's poop.

  • When dealing with dirty diapers, there's also doo-doo, a "baby-talk" alternative.
    – J.R.
    Nov 9, 2014 at 2:49
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    Also, scat is used when referring to a sexual nature, fecal matter is sometimes used in place of feces for science, and in medical context you'll often find stool is the term of choice. Also, among adults (or those pretending to be adult) willing to be informal, the vulgarity shit is used more often than any other.
    – corsiKa
    Nov 9, 2014 at 3:31
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    Probably worth noting that needs changed is a regionalism; needs changing or needs to be changed would be more broadly used...
    – Micah
    Nov 9, 2014 at 5:15
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    I'd like to point out (since the OP has not stated whether they prefer Brittish or American English, though has used the Brittish spelling of faeces) that nappy is preferred in Brittish English as opposed to diaper. Also poop is less common in Brittish English.
    – Pharap
    Nov 9, 2014 at 6:44
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    @Micah 'needs changed' is a regionalism? To me it just looks plain wrong. Never seen that usage before. Nov 9, 2014 at 9:08

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