1. Not characterized by a fixed principle or rate; at irregular intervals
   - irregularity

Type of: quality

• brittle maidenhair
• brittle maidenhair fern
• brittle willow
• brittle-star
• brittlebush
• brittleness
• Brix scale
• Brno
• bro
• broach
• broached
• broacher
• broad
• broad arrow
• broad bean
• broad beech fern
• broad buckler-fern
• broad gauge
• broad hatchet
• broad interpretation
• broad jump
• broad leaved centaury
• broad leaved goldenrod
• broad-bean plant
• broad-brimmed