erraticness

Lack of consistency

The quality of being erratic—unpredictable, inconsistent, or irregular in pattern or behavior.

The erraticness of his mood swings worried his family.

The word is uncommon; erratic behavior or irregularity usually serves the same purpose more naturally.

unpredictability

unpredictable

Cannot be anticipated

random · fluctuating · unreliable · unsteady · fitful · sporadic · intermittent · patchy · uneven · haphazard

whimsy

capricious

Subject to sudden changes

arbitrary · quirky · eccentric · flighty · moody · temperamental · mercurial · unpredictable · spontaneous · impetuous

instability

unstable

Prone to sudden change

unsteady · shaky · wobbly · rickety · fragile · uncertain · insecure · fluctuating · oscillating · wavering

disorder

chaotic

Totally without arrangement

scattered · confused · muddled · unsystematic · unmethodical · helter-skelter · disjointed · incoherent · scrambled · messy

deviation

aberrant

Departing from what's typical

divergent · deviant · inconsistent · nonconforming · idiosyncratic · peculiar · unusual · abnormal · wayward · off-course

Opposites
consistency and regularity

erraticnesssteadiness

State of being constant

consistency · regularity · predictability · uniformity · constancy

stability

erraticnessstability

Resistance to displacement

equilibrium · balance · groundedness · settledness · composure

stability and reliability

erraticnessstability

Resistance to displacement

reliability · dependability · steadiness · firmness · solidity

Family

erratic, errant, erroneous, erratically, erratics, errantry

Familiarity
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Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G