Synonyms for Unstable

Synonyms starting with letter F

• fickle

  change, doubtful, volatile
• fluid

  change, changeable
• fluctuating

  character trait, doubtful, changeable
• flighty

  crazy, volatile
• fitful

  doubtful, changeable
• flimsy

  rickety
• fragile

  precarious
• frivolous

  volatile, flighty
• freakish

  change
• frail
• flexible
• faithless
• fugitive
• fleeting
• fluctuant
• fly-by-night
• flickering
• fantastic

  change
• flying
• fugacious
• feeble
• flitting
• frenzied
• foolish
• faltering
• fallacious
• fanciful
• flawed
• fiery
• flammable
• false
• frantic
• failing
• flaky
• faulty
• floating
• fluky
• feather-brained
• footloose
• fading