Conjoin/kənˈdʒɔɪn/ Definition 1 of 4Pro Tip 1/3Physical Union Use 'conjoin' when referring to the physical merging of two entities into one. The builders conjoined the two buildings to create a larger space. Pro Tip 2/3Figurative Joining Beyond physical merging, 'conjoin' can also describe combining abstract concepts. Their shared goals conjoined their fates in the project's success. Pro Tip 3/3Unity Emphasis 'Conjoin' emphasizes unity and often implies a stronger bond than 'join'. The treaty conjoined the two nations in their defense efforts.