Irregular; departing from common or established rules.
2.
(Astron.) Pertaining to the anomaly, or angular distance of a planet from its perihelion.
Anomalistic month. See under Month.
Anomalistic revolution, the period in which a planet or satellite goes through the complete cycles of its changes of anomaly, or from any point in its elliptic orbit to the same again.
Anomalistic year, or Periodical year. See under Year.
... break a usage, break a custom, violate a law, violate a habit, violate a usage, violate a custom; drive a coach and six through; stretch a point; have no business there; baffle all description, beggar all description. Adj. uncomformable, exceptional; abnormal, abnormous^; anomalous, anomalistic; out of order, out of place, out of keeping, out of tune, out of one's element; irregular, arbitrary; teratogenic; lawless, informal, aberrant, stray, wandering, wanton; peculiar, exclusive, unnatural, ... — Roget's Thesaurus of English Words and Phrases: Body • Roget