abstruse /ab-stroosˈ/

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

abstruseˈly adverb

abstruseˈness noun

• coastal
• coasted
• coasteering
• coaster
• coasters
• coastguard
• coastguards
• coastguardsman
• coastguardsmen
• coasting
• coastings
• coastland
• coastlands
• coastline
• coastline effect
• coastlines
• coasts
• coast-to-coast
• coast-waiter
• coast-waiters
• coastward
• coastwards
• coastwise
• coat
• coat-armour