nonexistent
Lacking any existence
Nonexistent means not existing—not real, not present, or entirely absent.
Something can be nonexistent in fact Unicorns are nonexistent or effectively so Customer service was nonexistent.
The word often emphasizes complete absence rather than mere scarcity: His chances of winning are nonexistent.
Complete absence of existence
- emptinessAbsence of substance
- vacuumAbsence of matter
- oblivionComplete erasure from memory
- nullityComplete absence or invalidity
abyss · nonbeing · nihil · blankness · vacuity · negation · absence · null
Not present, whereabouts unknown
- goneNo longer present
- vanishedDisappeared from sight
- lackingBeing without something
- unavailableCannot be accessed
nowhere · lost · unfound · untraceable · absent · departed · withdrawn · omitted
Not real, invented
- fantasyImaginative mental wandering
- made-upFabricated, not factual
- inventedCreated something new
- fabricatedInvented, not real
illusory · unreal · dreamlike · fanciful · mythical · legendary · fantastical · storybook
Mythical one-horned horse
- dragonLegendary fire-breathing reptile
- phoenixSelf-immolating, regenerating bird
- mermaidFish-tailed ocean woman
- centaurHalf-human, half-equine being
griffin · minotaur · Pegasus · chimera · sasquatch · yeti · Bigfoot · Nessie
Based on hypothesis, untested
- speculativeBased on conjecture
- conjecturalBased on incomplete evidence
- notionalConceptual, not concrete
- assumedTaken as true
postulated · proposed · suppositional · conditional · unproven · unverified · conceptual · abstract
Incapable of occurring
- unreachableCannot be accessed
- unachievableCannot be accomplished
- unobtainableImpossible to acquire
- inaccessibleCannot be reached
unrealizable · unfeasible · impracticable · insurmountable · hopeless · out-of-reach · quixotic · utopian
nothingness
Complete absence of existence
nullity · abyss · nonbeing · nihil · blankness · vacuity · negation · absence · null · zero
missing
Not present, whereabouts unknown
unavailable · nowhere · lost · unfound · untraceable · absent · departed · withdrawn · omitted · erased
fictional
Not real, invented
fabricated · illusory · unreal · dreamlike · fanciful · mythical · legendary · fantastical · storybook · pretend
unicorn
Mythical one-horned horse
- dragonLegendary fire-breathing reptile
- phoenixSelf-immolating, regenerating bird
- mermaidFish-tailed ocean woman
centaur · griffin · minotaur · Pegasus · chimera · sasquatch · yeti · Bigfoot · Nessie · kraken
theoretical
Based on hypothesis, untested
- speculativeBased on conjecture
- conjecturalBased on incomplete evidence
- notionalConceptual, not concrete
assumed · postulated · proposed · suppositional · conditional · unproven · unverified · conceptual · abstract · potential
impossible
Incapable of occurring
- unreachableCannot be accessed
- unachievableCannot be accomplished
- unobtainableImpossible to acquire
inaccessible · unrealizable · unfeasible · impracticable · insurmountable · hopeless · out-of-reach · quixotic · utopian