Does the word slipper have a short vowel sound?

No, the word "slipper" does not have a short vowel sound.

* The vowel sound in "slipper" is a long "i" sound, similar to the sound in "bike".

* Short vowel sounds are typically represented by a single vowel letter, while long vowel sounds are often represented by a vowel followed by a consonant or another vowel.

Therefore, the vowel sound in "slipper" is long and not short.