Anomalous \A*nom"a*lous\, a. [L. anomalus, Gr. ? uneven, irregular; 'an priv. + ? even, ? same. See Same, and cf. Abnormal.]

Deviating from a general rule, method, or analogy; abnormal; irregular; as, an anomalous proceeding.

Source: Webster's Revised Unabridged Dictionary (1913)