Related Clues:
- Sharp, angle or mind
- Sharp as of mind - or pain
- Forever, never-ending
- Forever and always
- This triangle has two sides of equal length
- Triangle with two sides of equal length
- Never-ending, existing always
- This angle is less than 90 degrees
- Always and forever
- Of angle, less than 90 degrees
- Sharp and perceptive
- Sharp, very perceptive
- 'Lasting forever, unending (7)'
- Without beginning or end
- If there's ice mixed in with it, it could cause triangular losses