1. Conspicuously new
   - brand-new, bran-new, spick-and-span 
2. Completely neat and clean
   - immaculate, speckless, spick-and-span, spic, spick, spotless

See also: clean, new

• butterfly effect
• butterfly flower
• butterfly nut
• butterfly orchid
• butterfly orchis
• butterfly pea
• butterfly plant
• butterfly ray
• butterfly stroke
• butterfly valve
• butterfly weed
• butterfly-shaped
• butterflyfish
• butterhead lettuce
• buttermilk
• buttermilk biscuit
• buttermilk pancake
• butternut
• butternut squash
• butternut tree
• butterscotch
• butterweed
• butterwort
• buttery
• butthead