Need another word that means the same as “erratic”? Find 32 synonyms and 30 related words for “erratic” in this overview.
The synonyms of “Erratic” are: fickle, mercurial, quicksilver, planetary, wandering, temperamental, unpredictable, inconsistent, changeable, variable, inconstant, uncertain, irregular, unstable, turbulent, unsteady, unsettled, unreliable, undependable, changing, ever-changing, volatile, varying, shifting, fluctuating, fluid, mutable, protean, fitful, wavering, full of ups and downs, peaky
According to the Oxford Dictionary of English, “erratic” as an adjective can have the following definitions:
| changeable | Liable to unpredictable variation. Cover the tables with changeable cloths. |
| changing | Marked by continuous change or effective action. |
| ever-changing | Marked by continuous change or effective action. |
| fickle | Changing frequently, especially as regards one’s loyalties or affections. Fickle weather. |
| fitful | Active or occurring spasmodically or intermittently; not regular or steady. Fitful bursts of energy. |
| fluctuating | Rising and falling irregularly in number or amount. A fluctuating level of demand. |
| fluid | Characteristic of a fluid capable of flowing and easily changing shape. Liquid or fluid assets. |
| full of ups and downs | Containing as much or as many as is possible or normal. |
| inconsistent | Acting at variance with one’s own principles or former behaviour. Parents can become inconsistent and lacking in control over their children. |
| inconstant | Likely to change frequently often without apparent or cogent reason; variable. Swear not by the inconstant moon. |
| irregular | Failing to meet a standard of manufacture due to an imperfection. Irregular troops. |
| mercurial | Liable to sudden unpredictable change. Gels containing organic mercurial compounds. |
| mutable | Liable to change. The mutable nature of fashion. |
| peaky | Pale from illness or fatigue; sickly. Absence of peaky highs and beefed up bass. |
| planetary | Relating to the earth as a planet. A planetary system. |
| protean | Able to do many different things; versatile. It is difficult to comprehend the whole of this protean subject. |
| quicksilver | Liable to sudden unpredictable change. A quicksilver character cool and willful at one moment utterly fragile the next. |
| shifting | Unstable. Taffeta with shifting colors. |
| temperamental | Likely to perform unpredictably- Osbert Lancaster. A temperamental motor sometimes it would start and sometimes it wouldn t. |
| turbulent | Agitated vigorously; in a state of turbulence. Turbulent rapids. |
| uncertain | (of a person) not completely confident or sure of something. Plans are still uncertain. |
| undependable | Not worthy of reliance or trust. Evidence is scarce and often undependable. |
| unpredictable | Not able to be predicted; changeable. An unpredictable or indeterminable future. |
| unreliable | Dangerously unstable and unpredictable. Unreliable information. |
| unsettled | (of a bill) not yet paid. One question remains unsettled. |
| unstable | Prone to psychiatric problems or sudden changes of mood. Everything was unstable following the coup. |
| unsteady | Not regular in pitch or rhythm. Climbing carefully up the unsteady ladder. |
| variable | (of a gear) designed to give varying ratios or speeds. Awards can be for variable amounts. |
| varying | Differing in size, amount, degree, or nature. The varying angles of roof slope. |
| volatile | (of a person) liable to display rapid changes of emotion. Volatile stocks. |
| wandering | Migratory. A wandering preacher. |
| wavering | Moving in a quivering way; flickering. The move brought back wavering voters. |
| anomalous | Deviating from what is standard, normal, or expected. Sentences which are grammatically anomalous. |
| arrhythmic | Without regard for rhythm. An arrhythmic heartbeat. |
| astigmatism | (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people. |
| asymmetric | Characterized by asymmetry in the spatial arrangement or placement of parts or components. |
| asymmetrical | Having parts that fail to correspond to one another in shape, size, or arrangement; lacking symmetry. The church has an asymmetrical plan with an aisle only on one side. |
| asymmetry | A lack of symmetry. There was an asymmetry between the right and left ears. |
| atypical | Deviating from normal expectations; somewhat odd, strange, or abnormal. A sample of people who are rather atypical of the target audience. |
| capricious | Determined by chance or impulse or whim rather than by necessity or reason. A capricious and often brutal administration. |
| changeable | Such that alteration is possible; having a marked tendency to change. Changeable prices. |
| defuse | Remove the fuse from (an explosive device) in order to prevent it from exploding. Explosives specialists tried to defuse the grenade. |
| dissonant | Not in accord. Irregular dissonant chords. |
| fickle | Liable to sudden unpredictable change. Celebs trying to appeal to an increasingly fickle public. |
| grating | Unpleasantly harsh or grating in sound. The continual praise of the good old days can become grating. |
| inconsistent | Acting at variance with one’s own principles or former behaviour. Inconsistent with the roadmap. |
| inconstant | Likely to change frequently often without apparent or cogent reason; variable. An inconstant lover. |
| infrequent | Not occurring often; rare. Her visits were so infrequent. |
| inharmonious | Not forming or contributing to a pleasing whole; discordant. An inharmonious negative state of mind. |
| irregular | A member of an irregular military force. Irregular troops. |
| mercurial | Of the planet Mercury. His mercurial temperament. |
| moody | Giving an impression of melancholy or mystery. Grainy film which gives a soft moody effect. |
| patchy | Not of the same quality throughout; inconsistent. Patchy fog. |
| quicksilver | A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures. His quicksilver wit. |
| shifting | Continuously varying. Shifting sands. |
| temperamental | Relating to a person’s temperament. A temperamental opera singer. |
| uneven | Lacking consistency. An uneven color. |
| unpredictable | Not occurring at a regular rate or fixed intervals. The unpredictable weather of the Scottish islands. |
| unstable | Disposed to psychological variability. He was mentally unstable. |
| unsteady | Liable to fall or shake; not steady in position. His deep voice was unsteady. |
| variable | A symbol like x or y that is used in mathematical or logical expressions to represent a variable quantity. Variable expenses. |
| volatile | A volatile substance. A passionate volatile young man. |
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