Morphemes in “disappointment”
“disappointment” has 3 morphemes: dis- + appoint + -ment.
Spelling changes when the parts join: the boxes show the letters as written; the morphemes themselves are dis- + appoint + -ment.
Each morpheme explained
| Morpheme | Type | Free / bound | Meaning |
|---|---|---|---|
| dis- | derivational prefix | bound | not, apart, away; reverse the action |
| appoint | free root | free | create and charge with a task or function |
| -ment | derivational suffix | bound | action, result or means of |
How the word is built
appoint → disappoint → disappointment
Each step adds one affix to the word before it; the root “appoint” is where the chain starts.
Morphemes are not syllables
Morphemes are units of meaning; syllables are units of sound. The boundaries often fall in different places, which is why “disappointment” splits one way for a morphology exercise and another for a syllable count.
Break any word into morphemes
Prefixes, roots and suffixes with glosses, free and in your browser.
Open the morphological analyzer →Related words
Segmentation derived from MorphyNet (Batsuren, Bella & Giunchiglia, 2021; CC BY-SA 3.0, built from Wiktionary), with hand-written affix glosses and root meanings from WordNet. Reviewed for classroom use; tell us if you spot an error.