1. Expression of hesitation
   - um, er

Encyclopedia: Uh

• Persian Gulf War
• Persian iris
• Persian lamb
• Persian lilac
• Persian melon
• Persian violet
• Persian walnut
• persiennes
• persiflage
• persimmon
• persimmon tree
• persist
• persist in
• persistence
• persistency
• persistent
• persistent vegetative state
• persistently
• persisting
• persnickety
• person
• person agreement
• person hour
• person of color
• person of colour