irrational 音標拼音: [ɪr'æʃənəl]
n . 無理數
a . 無理性的,不合理的
無理數無理性的,不合理的
irrational adj 1 :
not consistent with or using reason ; "
irrational fears ";
"
irrational animals " [
ant : {
rational }]
2 :
real but not expressible as the quotient of two integers ;
"
irrational numbers " [
ant : {
rational }]
n 1 :
a real number that cannot be expressed as a rational number [
synonym : {
irrational number }, {
irrational }]
irrational \
ir *
ra "
tion *
al \ ([
i ^]
r *
r [
a ^]
sh "[
u ^]
n *
al ),
a . [
L .
irrationalis :
cf .
F .
irrationnel .
See {
In -}
not ,
and {
Rational }.]
[
1913 Webster ]
1 .
Not rational ;
void of reason or understanding ;
as ,
brutes are irrational animals .
[
1913 Webster ]
2 .
Not according to reason ;
having no rational basis ;
clearly contrary to reason ;
easily disproved by reasoning ;
absurd ;
--
of assertions and beliefs .
Hence ,
of actions :
foolish ;
unreasonable .
[
1913 Webster PJC ]
It seemed utterly irrational any longer to maintain it . --
I .
Taylor .
[
1913 Webster ]
3 . (
Math .)
Not capable of being exactly expressed by an integral number ,
nor by a ratio of integral numbers ;
surd ;
--
said especially of roots .
See {
Surd }.
Syn :
Absurd ;
foolish ;
preposterous ;
unreasonable ;
senseless .
See {
Absurd }.
[
1913 Webster ]
185 Moby Thesaurus words for "
irrational ":
abnormal ,
absonant ,
algorismic ,
algorithmic ,
aliquot ,
bereft of reason ,
bigoted ,
brainless ,
brainsick ,
cardinal ,
contradictory ,
contrary to reason ,
crackbrained ,
cracked ,
crazed ,
crazy ,
daft ,
decimal ,
deluded ,
demented ,
deprived of reason ,
deranged ,
differential ,
digital ,
disoriented ,
distraught ,
even ,
exponential ,
extravagant ,
extreme ,
extremist ,
fallacious ,
fanatic ,
faulty ,
figural ,
figurate ,
figurative ,
finite ,
flawed ,
flighty ,
foolish ,
fractional ,
haggard ,
hallucinated ,
headless ,
ignorant ,
ill -
advised ,
ill -
considered ,
ill -
contrived ,
ill -
devised ,
ill -
gauged ,
ill -
judged ,
illogical ,
imaginary ,
impair ,
impolitic ,
impossible ,
imprudent ,
inadvisable ,
inauthentic ,
inconclusive ,
incongruous ,
inconsequent ,
inconsequential ,
inconsiderate ,
inconsistent ,
indiscreet ,
inept ,
inexpedient ,
infinite ,
injudicious ,
inordinate ,
insane ,
insensate ,
integral ,
invalid ,
lackbrained ,
lean -
minded ,
lean -
witted ,
loco ,
logarithmic ,
logometric ,
loose ,
lunatic ,
mad ,
maddened ,
manic ,
mazed ,
mental ,
mentally deficient ,
meshuggah ,
mindless ,
misadvised ,
misguided ,
moon -
struck ,
myopic ,
negative ,
non compos ,
non compos mentis ,
nonrational ,
nonscientific ,
not all there ,
not bright ,
not following ,
not right ,
numeral ,
numerary ,
numerative ,
numeric ,
odd ,
of little brain ,
of unsound mind ,
off ,
ordinal ,
overenthusiastic ,
overreligious ,
overzealous ,
pair ,
paralogical ,
pea -
brained ,
perfervid ,
pin -
brained ,
positive ,
possible ,
prime ,
psycho ,
queer ,
rabid ,
radical ,
rational ,
real ,
reasonless ,
reciprocal ,
reckless ,
self -
annulling ,
self -
contradictory ,
self -
refuting ,
senseless ,
shortsighted ,
sick ,
slackminded ,
slackwitted ,
sophistic ,
stark -
mad ,
stark -
staring mad ,
strange ,
submultiple ,
surd ,
tetched ,
thoughtless ,
touched ,
transcendental ,
ultrazealous ,
unadvised ,
unauthentic ,
unbalanced ,
unconnected ,
unconsidered ,
undiscerning ,
unforeseeing ,
ungifted ,
unhinged ,
unintellectual ,
unintelligent ,
unphilosophical ,
unreasonable ,
unreasoning ,
unreflecting ,
unreflective ,
unsane ,
unscientific ,
unseeing ,
unsensible ,
unsettled ,
unsound ,
untalented ,
unthinking ,
unthoughtful ,
unwise ,
wandering ,
wild -
eyed ,
wild -
looking ,
without reason ,
witless ,
zealotic
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IRRATIONAL Definition Meaning - Merriam-Webster IRRATIONAL Definition Meaning | Dictionary. com irrational adjective - Definition, pictures, pronunciation and usage . . . IRRATIONAL | definition in the Cambridge English Dictionary Irrational - definition of irrational by The Free Dictionary IRRATIONAL definition and meaning | Collins English Dictionary irrational - Wiktionary, the free dictionary irrational, adj. n. meanings, etymology and more | Oxford English . . . irrational | Dictionaries and vocabulary tools for English language . . . irrational - WordReference. com Dictionary of English