impulse β the influence of a particular feeling, mental state, etc.: to act under a generous impulse; to strike out at someone from an angry impulse.
inconsistency β the quality or condition of being inconsistent.
inconstancy β not constant; changeable; fickle; variable: an inconstant friend.
jerk β to move with a quick, sharp motion; move spasmodically.
kink β a twist or curl, as in a thread, rope, wire, or hair, caused by its doubling or bending upon itself.
mood β Grammar. a set of categories for which the verb is inflected in many languages, and that is typically used to indicate the syntactic relation of the clause in which the verb occurs to other clauses in the sentence, or the attitude of the speaker toward what he or she is saying, as certainty or uncertainty, wish or command, emphasis or hesitancy. a set of syntactic devices in some languages that is similar to this set in function or meaning, involving the use of auxiliary words, as can, may, might. any of the categories of these sets: the Latin indicative, imperative, and subjunctive moods.
notion β a general understanding; vague or imperfect conception or idea of something: a notion of how something should be done.
peculiarity β a trait, manner, characteristic, or habit that is odd or unusual.
perversity β the state or quality of being perverse.
quirk β a peculiarity of action, behavior, or personality; mannerism: He is full of strange quirks.
rib β one of a series of curved bones that are articulated with the vertebrae and occur in pairs, 12 in humans, on each side of the vertebrate body, certain pairs being connected with the sternum and forming the thoracic wall.
temper β a particular state of mind or feelings.
thought β Informal. the act or a period of thinking: I want to sit down and give it a good think.
vagary β an unpredictable or erratic action, occurrence, course, or instance: the vagaries of weather; the vagaries of the economic scene.
vein β one of the system of branching vessels or tubes conveying blood from various parts of the body to the heart.
whim β an odd or capricious notion or desire; a sudden or freakish fancy: a sudden whim to take a midnight walk.
whimsy β capricious humor or disposition; extravagant, fanciful, or excessively playful expression: a play with lots of whimsy.
put on β a throw or cast, especially one made with a forward motion of the hand when raised close to the shoulder.
imbalance β the state or condition of lacking balance, as in proportion or distribution.
anxiety β Anxiety is a feeling of nervousness or worry.
fluctuation β continual change from one point or condition to another.
insecurity β lack of confidence or assurance; self-doubt: He is plagued by insecurity.
uncertainty β the state of being uncertain; doubt; hesitancy: His uncertainty gave impetus to his inquiry.
volatility β evaporating rapidly; passing off readily in the form of vapor: Acetone is a volatile solvent.
vulnerability β capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
weakness β the state or quality of being weak; lack of strength, firmness, vigor, or the like; feebleness.
alternation β successive change from one condition or action to another and back again repeatedly
capriciousness β subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
changeability β liable to change or to be changed; variable.