Impossible to exhaust; unlimited.

In a manner that is impossible to avoid or prevent. / As usual; predictably; as expected.

(euphemistic) A lie or falsehood.

Not elegant; not exhibiting neatness, refinement, or precision.

A form of friction welding in which the energy comes from a rotating flywheel.

lacking elasticity; inflexible, unyielding

An unfair, not equal, state. / (mathematics) A statement that of two quantities one is specifically less than (or greater than) another. Symbol: or ≥ or ne , as appropriate.

Impossible to explain; not easily accounted for.

not having the desired effect; ineffectual / lacking in ability; incompetent or inadequate

(statistics) The theorem that in any data sample with finite variance, the probability of any random variable X that lies k or more standard deviations away from the mean is no more than 1/k², i.e. assuming mean μ and standard deviation σ, the probability is: