Insurance coverage adequacy is a gap analysis: assessing whether your current insurance policies protect you against realistic risks. You review policies (health, auto, home, disability, liability) and compare coverage to your needs. If gaps exist, you buy additional coverage or adjust deductibles. Example: you own a $500k house. Your homeowners insurance covers $300k. You have a gap. A fire would leave you $200k short. Fix: increase coverage to $600k (accounting for inflation and rebuild costs).