音标:[,ʌndi'fainәbl] ;
a. 不能下定义的, 不确定的
s not capable of being precisely or readily described; not easily put into words

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【近义词】
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a.cabrera
airborne telemetering station
Antirrhinum Tourn.
arrer
as early as possible
band hot mill
belvedere
Berthollet,Claude Louis
blue chamber
broad-horn
cable groove
casuariiform
centimeter-excess object
certificate of interim class
ceruminal congestion
citrus bug
consortia
copper oxide rectifier
cost-benefit study
darapladib
demisable
desacralized
diameter of outflow tube
duodecimal notations
electrodynamic seismograph
engine-type vibrator
fibre ribbon connector
file attribute
flame break point length
flip-flopped
flood onto
FNPA
foranger
fractional root
French people
fuel make up
gamma phase alloy
gauge-concussion
genital furrow
gloomy
golden oak mushrooms
guinea-pigged
hoegbomite (h?gbomite)
hog plums
hold the baby
Hsuan-wu
ICNL
immediate address instruction
internal axial-flow pump type recirculation system
ironizing
Khotynets
kouts
lacconectus formosanus
linkwatches
Livingston I.
max.s
mid-day crisis
movals
muffler safety valve
no end to
non-fan
omnus
operational rules
paleoecologist
perseverant
phoronomy
picetum cladinosum
piracy (of rivers)
Ploučnice
polyvinylamine
popular sense
power-operated rotary table
pre-dose
primary climax
pulse spike
rastrelliger faughni
redpine
replenishing the vital essence and removing heat
retarded pulse
rutford
sampled grating dbr lasers
sandgate beds
separated transport of fly ash
sesquihora
sharams
snuggle-bunny
stereum purpureum persoon
stream frequency
successful rate
superior tarsal muscle
swashbuckles
teinochemistry
thamnidium elegans
thermal nonleakage probability
tomiyamichthys oni
transport bomber
Tutsis
ugrics
uncertainty
universal wavelength function
Uspulum
vacuum method of drainage