irregular
Concise Oxford English Dictionary © 2008 Oxford University Press:
irregular/ɪˈreɡjələ(r)/
▶adjective
- 1 not regular in shape, arrangement, or occurrence.
- 2 contrary to a rule, standard, or convention.
■ not belonging to regular army units.
- 3 Grammar (of a word) having inflections that do not conform to the usual rules.
- 1 a member of an irregular military force.
- 2 chiefly N. Amer. an imperfect item of merchandise sold at a reduced price.
– derivatives
irregularity noun (pl. irregularities),
irregularly adverb.
irregularity noun (pl. irregularities),
irregularly adverb.
'irregular' also found in these Oxford entries:
aperiodic
- appetizing
- arrhythmia
- baroque
- be
- bias
- blotch
- bobble
- buffeting
- casual
- convulsion
- crazy paving
- crushed velvet
- cyclopean
- doggerel
- episodic
- fit
- flutter
- granolithic
- graze
- guerrilla
- havarti
- higgledy-piggledy
- inconstant
- intermittent
- jitter
- keloid
- kick
- labyrinth
- laciniate
- magnetic equator
- matamata
- morel
- noise
- nucellus
- ode
- palpitation
- paranoia
- piebald
- ragged
- ramshackle
- random
- rapparee
- roche moutonnée
- rough
- schist
- schlieren
- short circuit
- short cut

