Flip-flop

//ˈflɪpˌflɑp// noun, verb, slang

noun, verb, slang ·Common ·High school level

Definitions

Noun
  1. 1
    A sandal consisting of a rubber sole fastened to the foot by a rubber thong fitting between the toes and around the sides of the foot. UK, US

    "the necessity for yet another place at which to buy a polo shirt or a pair of flip-flops may not be apparent to the town's residents"

  2. 2
    a backward somersault wordnet
  3. 3
    A change of places; an inversion or swap.

    "On the break for strong left, everything remains the same, except for the flip-flop of positions."

  4. 4
    an electronic circuit that can assume either of two stable states wordnet
  5. 5
    A change of places; an inversion or swap.; An instance of flip-flopping, of repeatedly changing one's stated opinion about a matter. US
Show 7 more definitions
  1. 6
    a backless sandal held to the foot by a thong between the big toe and the second toe wordnet
  2. 7
    A bistable; an electronic switching circuit that has either two stable states (switching between them in response to a trigger) or a stable and an unstable state (switching from one to the other and back again in response to a trigger), and which is thereby capable of serving as one bit of memory.

    "Ten two-state flip-flops […] were formed into ten-stage ring counters representing each decimal digit in the ten-digit accumulators […]"

  3. 8
    a decision to reverse an earlier decision wordnet
  4. 9
    The sound of a regular footfall.
  5. 10
    A somersault.
  6. 11
    A return trip. US, slang

    "We'll catch you on the flip-flop. This here's the Rubber Duck on the side. We gone, 'bye, 'bye."

  7. 12
    A person or inhabitant of the Middle East, or a Muslim nation, particularly Afghanistan. derogatory, offensive, slang
Verb
  1. 1
    To alternate back and forth between directly opposite opinions, ideas, or decisions. idiomatic, intransitive, transitive
  2. 2
    reverse (a direction, attitude, or course of action) wordnet

Example

More examples

"Such a policy flip-flop was heavily criticized by his enemies."

Etymology

Onomatopoeic. Most probably an imitation of the sound produced when walking in them.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.