impersistent /im-pər-sisˈtənt/

1. Not persistent
2. Not enduring

• fathom
• fathomable
• fathomed
• fathometer
• fathometers
• fathoming
• fathomless
• fathom line
• fathom lines
• fathoms
• fatidical
• fatidically
• fatigable
• fatigableness
• fatigablenesses
• fatigate
• fatigated
• fatigates
• fatigating
• fatiguable
• Hebraising
• Hebraism
• Hebraist
• Hebraistic
• Hebraistical