impalpable /im-palˈpə-bl/

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

• gumminess
• gumminesses
• gumming
• gummings
• gummite
• gummites
• gummoses
• gummosis
• gummosities
• gummosity
• gummous
• gummy
• gumnut
• gumnuts
• gum olibanum
• linen
• linen-draper
• linen-drapers
• linen-fold
• linen-folds
• linen paper
• linens
• linen-scroll
• line of battle
• line-of-battle-ship