strong bond

• connectionA joining or relation
• attachmentConnection or fondness
• trustConfidence in another
• loyaltyFaithful commitment to another
• glueBonding substance

unbreakable · tight · friendship · devotion · chemistry · adhesive · weld · love · kinship · solidarity · epoxy · lasting · deep · intimate · fused · inseparable · commitment · cement

• bondsbond, corporate bond, corporate bonds, government bond, municipal bond
• chemical bondscovalent bond, covalent bonds, ionic bond, ionic bonds, ionic