Supplant/səˈplænt/ Definition 1 of 1Pro Tip 1/3Unfair Replacement Signifies an unfair or sneaky way of taking someone's place or role. Automation may supplant some jobs, leading to unemployment concerns. Pro Tip 2/3Total Takeover Implies a complete takeover, where the new thing becomes dominant. Streaming services have supplanted DVD rentals in most households. Pro Tip 3/3Technology Advancement Often used in the context of technology outpacing older methods or tools. E-books are beginning to supplant paperbacks in popularity.