irregularity

As nouns the difference between irregularity and null

is that irregularity is (countable) an instance of being irregular while null is zero, nil; the cardinal number before einn.

In uncountable|lang=en terms the difference between regularity and irregularity

is that regularity is (uncountable) the condition or quality of being regular; as, regularity of outline while irregularity is (uncountable) the state or condition of being irregular, or the extent to which something is irregular.

In countable|lang=en terms the difference between regularity and irregularity

is that regularity is (countable) a particular regular occurrence while irregularity is (countable) a violation of rules.

As nouns the difference between regularity and irregularity

is that regularity is (uncountable) the condition or quality of being regular; as, regularity of outline while irregularity is (countable) an instance of being irregular.

As a letter s

is the letter s with a.

As a noun irregularity is

(countable) an instance of being irregular.

As nouns the difference between irregularity and infraction

is that irregularity is (countable) an instance of being irregular while infraction is (legal) a minor offence, petty crime.

As nouns the difference between terms and irregularity

is that terms is while irregularity is (countable) an instance of being irregular.

As nouns the difference between irregularity and muddle

is that irregularity is (countable) an instance of being irregular while muddle is a mixture; a confusion; a garble.

As a verb muddle is

to mix together, to mix up; to confuse.

As a noun irregularity

is (countable) an instance of being irregular.

As an adjective undefined is

lacking a definition or value.

Irregularity is a related term of ailment.

As nouns the difference between irregularity and ailment

is that irregularity is (countable) an instance of being irregular while ailment is something which one; a disease; sickness.

Irregularity is a related term of mania.

As a noun irregularity

is (countable) an instance of being irregular.

As a proper noun mania is

(roman mythology) the goddess of the dead and ghosts.

Irregularity is a related term of indisposition.

As nouns the difference between irregularity and indisposition

is that irregularity is (countable) an instance of being irregular while indisposition is a mild illness, the state of being indisposed.