ficklest
Least constant person
Ficklest is the superlative form of fickle, describing someone or something as the most changeable, inconstant, or unpredictable among a group: Of all my friends, she's the ficklest when it comes to making plans.
The word applies especially to loyalty, affection, or preferences that shift without warning.
Subject to sudden changes
- mercurialProne to sudden change
- moodyProne to sullenness
- unpredictableCannot be anticipated
- whimsicalPlayfully fanciful or erratic
erratic · volatile · changeable · impulsive · flighty · temperamental · unstable · variable
Prone to fluctuation
- unfaithfulBetraying a partner's trust
- disloyalUntrue to commitments
- flightyErratic and unreliable
- changeableCapable of alteration
uncommitted · capricious · faithless · unreliable · wavering · two-timing · feckless · unsteady
Not firmly known
- unpredictableCannot be anticipated
- capriciousSubject to sudden changes
- unreliableNot consistently performing
- changeableCapable of alteration
unstable · variable · volatile · treacherous · untrustworthy · shifting · inconstant · arbitrary
Unable to make choices
- wishy-washyLacking firmness or decisiveness
- changeableCapable of alteration
- undecidedNot having chosen
- vacillatingSwaying between choices
irresolute · wavering · uncommitted · uncertain · ambivalent · whimsical · inconsistent · capricious
capricious
Subject to sudden changes
- mercurialProne to sudden change
- moodyProne to sullenness
- unpredictableCannot be anticipated
whimsical · erratic · volatile · changeable · impulsive · flighty · temperamental · unstable · variable · inconsistent
inconstant
Prone to fluctuation
- unfaithfulBetraying a partner's trust
- disloyalUntrue to commitments
- flightyErratic and unreliable
changeable · uncommitted · capricious · faithless · unreliable · wavering · two-timing · feckless · unsteady · mercurial
uncertain
Not firmly known
- unpredictableCannot be anticipated
- capriciousSubject to sudden changes
- unreliableNot consistently performing
changeable · unstable · variable · volatile · treacherous · untrustworthy · shifting · inconstant · arbitrary · whimsical
indecisive
Unable to make choices
- wishy-washyLacking firmness or decisiveness
- changeableCapable of alteration
- undecidedNot having chosen
vacillating · irresolute · wavering · uncommitted · uncertain · ambivalent · whimsical · inconsistent · capricious · impulsive
ficklestresolute
Fixed in purpose
determined · firm · steadfast · decisive · unwavering