abstruse /ab-stroosˈ/

1. Difficult to understand
2. Remote from apprehension
3. Hidden (archaic)

abstruseˈly adverb

abstruseˈness noun

• ironbarks
• iron-bound
• iron-cased
• iron-clad
• iron-clay
• Iron Cross
• Iron Crown
• iron curtain
• iron curtains
• ironed
• ironer
• ironers
• iron-fisted
• iron-founder
• iron-founders
• iron-foundries
• masticable
• masticate
• masticated
• masticates
• masticating
• mastication
• mastications
• masticator
• masticatories