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1. Happen at the same time
   - synchronize, contemporize, contemporise [Brit]
    
2. (movie) make (motion picture sound) exactly simultaneous with the action
   "synchronise this film";
   - synchronize
    
3. Arrange or represent events so that they co-occur
   "synchronise biblical events";
   - synchronize, contemporize, contemporise [Brit]
    
4. Operate simultaneously
   "The clocks synchronise";
   - synchronize
    
5. Cause to indicate the same time or rate
   "synchronise your watches";
   - synchronize
    
6. Make synchronous and adjust in time or manner
   "Let's synchronise our efforts";
   - synchronize, sync, synch

Derived forms: synchronises, synchronising, synchronised

Type of: adjust, align, aline [non-standard], alter, arrange, change, come about, control, correct, fall out, go on, hap [archaic], happen, line up, modify, occur, operate, order, pass, pass off, put, set, set up, take place

Antonym: desynchronize

Encyclopedia: Synchronise