insulate (v.)

• bolt
• cover
• cushion
• detach
• divide
• fireproof
• ghettoize
• gin
• ground
• isolate
• lag
• preserve
• proof
• protect
• quarantine
• riddle
• screen
• seclude
• segregate
• separate
• sequester
• sequestrate
• shelter
• shield
• sieve
• sift
• soundproof
• thrash
• thresh
• waterproof
• weatherproof
• winnow
• wrap