mammoplasty (noun) plastic surgery: cosmetic surgery
Sinonime: accidental, adventitious, by chance,
contingent,
erratic, extemporaneous, extempore, fluky,
fortuitous, impromptu, improvised,
impulsive,
incidental, infrequent,
irregular,
occasional,
odd, offhand, serendipitous, spontaneous,
uncertain,
unexpected,
unforeseen,
unintentional,
unplanned, unpremeditated
Antonime: deliberate,
painstaking, planned, premeditated