| Verb | 1. | flatten - make flat or flatter; "flatten a road"; "flatten your stomach with these exercises"shape, form - give a shape or form to; "shape the dough" splat - split open and flatten for cooking; "splat fish over an open fire" roll out, roll - flatten or spread with a roller; "roll out the paper" laminate - press or beat (metals) into thin sheets | |
| 2. | flatten - become flat or flatter; "The landscape flattened"splat - flatten on impact; "The snowballs splatted on the trees" press - place between two surfaces and apply weight or pressure; "pressed flowers" | |
| 3. | flatten - lower the pitch of (musical notes)music - an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" sharpen - raise the pitch of (musical notes) | |