[flip-flop] 
noun, adverb, verb, -flopped, -flop⋅ping.| 1. | Informal. a sudden or unexpected reversal, as of direction, belief, attitude, or policy. |
| 2. | a backward somersault. |
| 3. | Also called flip-flop circuit. Electronics. an electronic circuit having two stable conditions, each one corresponding to one of two alternative input signals. |
| 4. | any of several similar devices having two alternative states, the change of state being caused by some input signal or by some change of input. |
| 5. | the sound and motion of something flapping, as a wind-blown shutter; a banging to and fro. |
| 6. | any backless, usually open-toed flat shoe or slipper. |
| 7. | a flat, backless rubber sandal, usually secured on the foot by a thong between the first two toes, as for use at a beach, swimming pool, etc. Compare thong, zori. |
| 8. | (in advertising) a display or presentation, usually on an easel, consisting of a series of pages hinged at the top and flipped over in sequence. |
| 9. | with repeated sounds and motions, as of something flapping. |
| 10. | Informal. to make a sudden or unexpected reversal, as of direction, belief, attitude, or policy: The opposition claimed that the President had flip-flopped on certain issues. |
| 11. | to execute a backward somersault. |
| 12. | to flap; bang to and fro: The door flip-flopped in the high wind. |
[flip-flap] (for defs. 2, 5, 9, 12), flipflop (for defs. 6, 7).
flip-flop
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