back to back

adjacent adjoining affable affiliation agreeable alliance ally amiable appealing assertive assured attachment attitude attractive back backs band beauty bond buddy captivating casual certain charming cheerful chum close comfortable complacent confident connection contact content converge cool delightful engaging enticing familiar female firm friendly friends friendship fun genial girl happy interesting likable link lovely near opposite pal partnership people person pleasant pretty relate relaxed serious sisters sit slender slim smile social sure sweet teen teenager together trim union unite willful young