impalpable /im-palˈpə-bl/

1. Not perceivable or detectable by touch
2. Not capable of being comprehended or grasped
3. Extremely fine-grained

• launcher
• launchers
• launches
• launching
• launching-pad
• launching-pads
• launching-ways
• launch pad
• launch vehicle
• launch window
• launch windows
• launcing
• laund
• launder
• laundered
• launderer
• launderers
• launderette
• launderettes
• laundering
• launders
• laundress
• laundresses
• laundrette
• laundrettes