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SAT Math and Logic /

Irregularity and Irrationality

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1-
coincidental
2-
exotic
3-
quaint
4-
eccentric
5-
accidental
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sporadic
7-
deviant
8-
atypical
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distinctive
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newfangled
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bizarre
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unprecedented
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unparalleled
14-
idiosyncratic
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infrequent
16-
abnormal
17-
improbably
18-
occasionally
19-
peculiarity
20-
novelty
21-
fluke
22-
irrational
23-
unfounded
24-
absurd
25-
fantastical
26-
supernatural
27-
laughable
28-
ridiculous
29-
inconceivable
30-
preposterous
31-
outlandish
32-
paranormal
33-
counterintuitive
34-
arbitrary
35-
surreal
36-
ludicrous
37-
perversity
38-
paradox
coincidental
Adjective
c
k
oi
oʊɪ
n
n
c
s
i
ə
d
d
e
ɛ
n
n
t
t
a
ə
l
l
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happening unexpectedly and without deliberate planning or foresight

example
Example
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It was purely coincidental that I ran into my old friend from high school while on vacation in another country.
The fact that she chose the same book as me from the library was purely coincidental; we have different tastes in literature.

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
exotic
exotic
Adjective
e
ɪ
x
gz
o
ɑ
t
t
i
ɪ
c
k

exciting or beautiful because of having qualities that are very unusual or different

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
quaint
Adjective
q
k
u
w
ai
n
n
t
t

curiously distinct, unique, or unusual

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
eccentric
eccentric
Adjective
e
ɛ
c
k
c
s
e
ɛ
n
n
t
t
r
r
i
ɪ
c
k

slightly strange in behavior, appearance, or ideas

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
accidental
accidental
Adjective
a
æ
cc
ks
i
ə
d
d
e
ɛ
n
n
t
a
ə
l
l

occurring unexpectedly or without prior planning

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
sporadic
sporadic
Adjective
s
s
p
p
o
ɜ
r
r
a
æ
d
d
i
ɪ
c
k

occurring from time to time, in an irregular manner

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
deviant
deviant
Adjective
d
d
e
i
v
v
ia
n
n
t
t

departing from established customs, norms, or expectations

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
atypical
atypical
Adjective
a
t
t
y
ɪ
p
p
i
ɪ
c
k
a
ə
l
l

differing from what is usual, expected, or standard

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
distinctive
distinctive
Adjective
d
d
i
ɪ
s
s
t
t
i
ɪ
n
n
c
k
t
t
i
ɪ
v
v
e

possessing a quality that is noticeable and different

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
newfangled
Adjective
n
n
e
w
u
f
f
a
æ
n
n
ə
g
g
l
l
e
d
d

recently invented or introduced, often implying novelty over practicality

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
bizarre
bizarre
Adjective
b
b
i
ə
z
z
a
ɑ
rr
r
e

strange or unexpected in appearance, style, or behavior

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
unprecedented
Adjective
u
ə
n
n
p
p
r
r
e
ɛ
c
s
e
ɪ
d
d
e
ɛ
n
n
t
t
e
ɪ
d
d

never having existed or happened before

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
unparalleled
unparalleled
Adjective
u
ə
n
n
p
p
a
ɛ
r
r
a
ə
ll
l
e
ɛ
l
l
e
d
d

unmatched in comparison to others

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
idiosyncratic
Adjective
i
ɪ
d
d
io
ioʊ
s
s
y
ɪ
n
n
c
k
r
r
a
æ
t
t
i
ɪ
c
k

having characteristics that are unique to an individual or group

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
infrequent
infrequent
Adjective
i
ɪ
n
n
f
f
r
r
e
i
q
k
u
w
e
ə
n
n
t
t

happening at irregular intervals

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
abnormal
abnormal
Adjective
uk flag
/æbˈnɔɹməɫ/

different from what is usual or expected

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
improbably
Adverb
i
ɪ
m
m
p
p
r
r
o
ɑ
b
b
a
ə
b
b
l
l
y
i

in a manner that is unlikely to happen or occur

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
occasionally
occasionally
Adverb
o
ə
cc
k
a
s
ʒ
io
ə
n
n
a
ə
ll
l
y
i

not on a regular basis

Grammatical Information:

adverb of frequency

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
peculiarity
noun
p
p
e
ɪ
c
k
u
ju
l
l
ia
r
r
i
ə
t
t
y
i

a feature that sets something or someone apart

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
novelty
noun
n
n
o
ɑ
v
v
e
ə
l
l
t
t
y
i

the quality of being noticeably new or different

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
fluke
noun
f
f
l
l
u
u
k
k
e

a surprising piece of good luck

What is a "fluke"?

A fluke is an unexpected or fortunate event that happens by chance, often in a way that seems accidental or unlikely. It can refer to situations where something happens in a way that was not planned or anticipated, but it results in a positive or surprising outcome. Flukes can occur in many different contexts, from sports to everyday life, and typically involve an element of luck or randomness.

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
irrational
irrational
Adjective
i
ɪ
rr
r
a
æ
t
ʃ
io
ə
n
n
a
ə
l
l

not based on reason or logic

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
unfounded
Adjective
u
ə
n
n
f
f
o
a
u
ʊ
n
n
d
d
e
ɪ
d
d

having no basis in fact or reality, making something unreliable or untrue

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
absurd
absurd
Adjective
a
ə
b
b
s
s
u
ɜ
r
r
d
d

so unreasonable or illogical that it provokes disbelief or laughter

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
fantastical
Adjective
f
f
a
æ
n
n
t
t
a
æ
s
s
t
t
i
ɪ
c
k
a
ə
l
l

strangely unbelievable or bizarre

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
supernatural
supernatural
Adjective
s
s
u
u
p
p
e
ɜ
r
r
n
n
a
æ
t
ʧ
u
ɜ
r
r
a
ə
l
l

beyond what is explainable by natural laws, often attributed to divine or mystical forces

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
laughable
Adjective
l
l
a
u
gh
a
ə
b
b
l
l
e

so absurd or ridiculous that it provokes laughter

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
ridiculous
ridiculous
Adjective
r
r
i
ɪ
d
d
i
ɪ
c
k
u
j
ə
l
l
ou
ə
s
s

extremely silly and deserving to be laughed at

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
inconceivable
inconceivable
Adjective
i
ɪ
n
n
c
k
o
ə
n
n
c
s
ei
i
v
v
a
ə
b
b
ə
l
l
e

too unlikely to believe or imagine

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
preposterous
Adjective
p
p
r
r
e
ɪ
p
p
o
ɑ
s
s
t
t
e
ɜ
r
r
ou
ə
s
s

absurd and contrary to common sense

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
outlandish
outlandish
Adjective
o
a
u
ʊ
t
t
l
l
a
æ
n
n
d
d
i
ɪ
sh
ʃ
Disapproving

unconventional or strange in a way that is striking or shocking

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
paranormal
paranormal
Adjective
p
p
a
ɛ
r
r
a
ə
n
n
o
ɔ
r
r
m
m
a
ə
l
l

beyond the scope of normal scientific understanding or explanation

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
counterintuitive
counterintuitive
Adjective
c
k
o
a
u
ʊ
n
n
t
t
e
ə
r
r
i
ɪ
n
n
t
t
u
u:
i
ɪ
t
t
i
ɪ
v
v
e

contradictory to the expectations that are formed on common sense or intuition

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
arbitrary
arbitrary
Adjective
a
ɑ
r
r
b
b
i
ə
t
t
r
r
a
ɛ
r
r
y
i

not based on reason but on chance or personal impulse, which is often unfair

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
surreal
Adjective
s
s
u
ɜ
rr
r
ea
i
l
l

related to an artistic style that emphasizes the bizarre, dreamlike, or irrational, often blending reality with fantasy in unexpected ways

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
ludicrous
ludicrous
Adjective
l
l
u
u
d
d
i
ə
c
k
r
r
ou
ə
s
s

unreasonable or exaggerated to the point of being ridiculous

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
perversity
noun
p
p
e
ɜ
r
r
v
v
e
ɜ
r
r
s
s
i
ə
t
t
y
i

the intentional deviation from what is considered right or good

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective
paradox
noun
p
p
a
ɛ
r
r
a
ə
d
d
o
ɑ
x
ks

a logically contradictory statement that might actually be true

What is a "paradox"?

A paradox is a statement that seems to contradict itself but often reveals a deeper truth. It challenges logic, common sense, or expectations by presenting two seemingly incompatible ideas that somehow coexist. For example, "Less is more" may appear contradictory, yet it suggests that simplicity can lead to greater effectiveness. Paradoxes are commonly used in literature and philosophy to provoke thought and encourage deeper analysis of complex ideas.

Word Family

incident

Noun

incidental

Adjective

coincidental

Adjective

Congratulations! !

You learned 38 words from SAT Irregularity and Irrationality Vocabulary. To improve learning and review vocabulary, start practicing.

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