a. [ Pref. ir- not + regular: cf. F. irrégulier. ] Not regular; not conforming to a law, method, or usage recognized as the general rule; not according to common form; not conformable to nature, to the rules of moral rectitude, or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform;
Mazes intricate,
Eccentric, intervolved, yet regular
Then most when most irregular they seem. Milton. [ 1913 Webster ]
Leading the men of Herefordshire to fight
Against the irregular and wild Glendower. Shak. [ 1913 Webster ]
A flowery meadow through which a clear stream murmured in many irregular meanders. Jones.
n. One who is not regular; especially, a soldier not in regular service. [ 1913 Webster ]
n. One who is irregular. Baxter. [ 1913 Webster ]
n.;
adv. In an irregular manner. [ 1913 Webster ]