Synonym: abnormal, distorted, erratic, rough, uneven, unnatural. Antonym: regular. Similar words: regular, regularly, at regular intervals, regulate, regulator, regulatory, regulation, triangular. Meaning: [ɪ'regjələ(r) /-gjʊl-] 
n. 1. a member of an irregular armed force that fights a stronger force by sabotage and harassment 2. merchandise that has imperfections; usually sold at a reduced price without the brand name. adj. 1. contrary to rule or accepted order or general practice 2. (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement 3. not occurring at expected times 4. (used of the military) not belonging to or engaged in by regular army forces 5. deviating from normal expectations; somewhat odd, strange, or abnormal 6. lacking continuity or regularity 7. of a surface; not level or flat 8. independent in behavior or thought.
n. 1. a member of an irregular armed force that fights a stronger force by sabotage and harassment 2. merchandise that has imperfections; usually sold at a reduced price without the brand name. adj. 1. contrary to rule or accepted order or general practice 2. (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement 3. not occurring at expected times 4. (used of the military) not belonging to or engaged in by regular army forces 5. deviating from normal expectations; somewhat odd, strange, or abnormal 6. lacking continuity or regularity 7. of a surface; not level or flat 8. independent in behavior or thought. 
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61) A road goes straight, rivers meander; houses are in straight lines, trees irregular.
62) The gravitational fields of these irregular chunks are so lumpy that any orbit is certain to evolve rapidly.
63) Patrick went on to build irregular, non-symmetrical shapes with the connector rods that maintained perfect balance.
64) We leaned back against the irregular planks of the lean-to.
65) More difficult to practice for women with irregular cycles, after childbirth and at the change of life.
66) Veins are often dark reddish brown and the blade somewhat ornamented by reddish brown irregular spots.
67) Sisley was an Impressionist painter and exhibited in five of the eight Impressionist exhibitions held at irregular intervals between 1874 and 1886.
68) The shrieks continued at irregular intervals as the creature walked the woods.
68) Sentencedict.com try its best to collect and create good sentences.
69) The ventral arm plates are an irregular pentagonal or hexagonal shape, often keeled, with the distal edge sometimes indented.
70) Your muscles are tensed, your breathing irregular, first shallow, then deep.
71) In a number of clinical disorders the cell count is subject to periodic or highly irregular variation.
72) It may be quite striking, with the head and extremities exhibiting gross, irregular oscillations exaggerated by voluntary movements.
73) U, of spectral type M, appears to be irregular, with a range of from 5.6 to 7.5.
74) Lake Powell's irregular coastline has many unspoiled beaches and secluded inlets.
75) The court hearing which convicted both men was told by ex-Swindon manager Lou Macari irregular payments were part of soccer routine.
76) This pattern of irregular loading subjects the vessel to quite different stress from that exerted by an evenly distributed load of coal.
77) The main disadvantage of being a nurse is working irregular hours.
78) On the wall behind the plant she could just make out irregular painted spirals of pale gold.
79) Investigators say the irregular campaign contributions may be just the tip of the iceberg.
80) Make irregular pulls[Sentencedict.com], and the kite will respond with similar jerky movements.
81) Drizzle caramel from the end of a fork into irregular shapes on to lightly oiled foil.
82) They were set at irregular intervals so that it was difficult to achieve any rhythm in the descent.
83) Its profile was an irregular parallelogram, and it appeared to be made up of interlocking blocks of crystalline metal.
84) He felt like a circus. The whole thing was irregular.
85) The dictionary definitions contain the information about the irregular derivations.
86) When women experience problems with their menstrual cycles, such as irregular periods, doctors often give them hormones.
87) The irregular echo of footsteps passed backwards and forwards along the corridor outside.
88) It is worth nothing that the X-ray emission from Cygnus X-1 is irregular and flickers on a millisecond time-scale.
89) The vast tracts of sterile desert land were broken only by irregular patches of short, dry grasses or rough scrubland.
90) The irregular heartbeat of battle was distant as yet but throbbing closer.
More similar words: regular, regularly, at regular intervals, regulate, regulator, regulatory, regulation, triangular, irrelevant, irreverent, irrevocable, irreverence, irrespective of, coagulate, secular, popularity, tabula rasa, particular, spectacular, in particular, particularly, engulfed, barrel, marred, regain, arrest, arrear, region, regime, regard.