Emily Dickinson Lexicon

MO-BIL'I-TY, n. [Fr. mobilité; L. mobilitas, from moveo, to move.]

1. Susceptibility of motion; capacity of being moved. – Wotton.
2. Aptitude to motion; activity; readiness to move. – Arbuthnot.
3. In cant language, the populace. – Dryden.
4. Fickleness; inconstancy. – Ainsworth.