Irregular | Mean of irregular in English Dictionary

/ɪˈrɛgjəlɚ/

• not normal or usual
1. His behavior as a teacher was highly irregular.
2. Her application was handled in an irregular manner.
• not even or smooth
1. an irregular outline
2. a very jagged, irregular surface
3. The stone has an irregular shape.
• happening or done at different times that change often
1. She has been working irregular hours. [=she has been working for different amounts of time and at different times on different days]
2. He has a very irregular schedule.

• not happening at times that are equally separated
1. The festival has been held at irregular intervals.
2. an irregular heartbeat
• not following the normal patterns by which word forms (such as the past tenses of verbs) are usually created
1. “Sell” is an irregular verb because its past tense is “sold.”
• not able to have normal bowel movements
• not belonging to a country's official army
1. irregular troops/soldiers
• Noun
• a soldier who does not belong to a country's official army