outer limits

Edge of everything

The outer limits are the farthest boundaries or extreme edges of something—physical, conceptual, or behavioral.

You might test the outer limits of a vehicle's performance, push to the outer limits of human endurance, or explore the outer limits of acceptable conduct.

The phrase suggests territory beyond which lies the unknown or forbidden: He was operating at the outer limits of the law.

Opposites
spatial position

outer limitscenter

Middle of anything

core · middle · heart · nucleus · interior

extent/boundary

outer limitsminimum threshold

starting point · baseline · lower limits · floor · minimum

extremity

outer limitssafe zone

Protected area from threats

comfort zone · middle ground · moderation

Family

outer, limits, limit, outermost, outward, outwardly, outwards, limited, limiting

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Everyday, not technical · Rated G