English Vocabulary
Pick a CEFR level (A1–C2) — A1 is the friendliest place to start — and browse its words grouped by topic: travel, food, the body, emotions, and more. Each word shows its meaning, example sentences, and US/UK pronunciation.
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All 27,237 words
519 words
geometrically
C2
/ˌdʒiːəˈmɛtrɪkli/
in a geometric fashion
oligarch
C2
/ˈɑləɡɑɹk/
A very wealthy business owner who wields political power.
algebraic
C1
/ˌæl.d͡ʒɪˈbɹæɪ.ɪk/
relating to algebra or expressed by means of algebra
multiplicity
C2
/ˌmʌltɪˈplɪsɪti/
The state of being made of multiple diverse elements.
associative
C2
/əˈsoʊ.si.ə.tɪv/
in mathematics, having the property that regrouping operands does not change the result
equidistant
C2
/ˌi.kwəˈdɪs.tənt/
the same distance apart at every point
cubit
C2
/ˈkjuː.bɪt/
any of several ancient units of length based on the forearm from elbow to fingertip, commonly about 18 inches or 46 centimetres
octagonal
C2
/ɑkˈtæɡənəl/
having the shape of an octagon, with eight sides and eight angles
quintal
C2
/ˈkwɪntəl/
a metric unit of mass equal to 100 kilograms
ampere
C2
/ˈæmˌpɪəɹ/
a unit of electrical current, the standard base unit in the International System of Units; colloquially amp. Abbreviation: amp, Symbol: A
polygon
C2
/ˈpɑːliɡɑːn/
a closed plane figure bounded by three or more straight sides
tare
B2
/tɛɹ/
the weight of an empty container or vehicle, deducted from gross weight to find the weight of its contents
foramen
C2
/fəˈɹeɪ.mən/
An opening, an orifice, or a short passage, especially in a bone.
ungainly
C1
/anˈɡæɪnli/
lacking grace in movement or posture
geodesic
C2
/ˌd͡ʒiː.əˈdɛs.ɪk/
of or relating to or determined by geodesy
self-consciousness
C2+
/ˌsɛlfˈkɑnʃəsnəs/
The awareness of the self as an entity.
symmetrically
C2
/səˈmɛtrɪkli/
in a symmetrical manner
erg
C2
/ɝɡ/
the centimeter-gram-second unit of work or energy, equal to one dyne-centimeter or 10^-7 joule
vertex
C2
/ˈvɝː.teks/
a point where two or more lines, edges, or curves meet, especially a corner of a geometric figure
obliquely
C2
/əˈbliːkli/
In an oblique manner; sideways.
vivacity
C2
/vɪˈvæsɪti/
The quality or state of being vivacious.
prudential
C2
/pɹuˈdɛn.ʃəl/
arising from or characterized by prudence especially in business matters
mandrill
C2
/ˈmæn.dɹɪl/
A primate, Mandrillus sphinx, with a colorful face and rump.
hundredweight
C2
/ˈhʌndrədˌweɪt/
in the United States, a unit of weight equal to 100 pounds, or about 45.36 kilograms
logarithm
C2
/ˈlɑː.ɡəˌrɪ.ðəm/
the exponent to which a specified base must be raised to produce a given number
diffraction
C2
/dɪˈfɹækʃən/
when light passes sharp edges or goes through narrow slits the rays are deflected and produce fringes of light and dark bands
rhythmical
C2
/ˈɹɪð.mɪ.kəl/
rhythmic
equilateral
C2
/ˌiːkwəˈlæt̬ɚəl/
having all sides of equal length
milliliter
B1
/ˈmɪləˌliːtɝ/
a metric unit of volume equal to one thousandth of a liter
abatement
C2
/əˈbeɪtmənt/
the act of abating
anthropoid
C2
/ˈænθɹəpɔɪd/
Having characteristics of a human, usually in terms of shape or appearance.
tensor
C2
/ˈtɛn.sɚ/
A mathematical object that describes linear relations on scalars, vectors, matrices and other algebraic objects, and is represented as a multidimensional array.
aquiline
C2
/ˈæk.wɪˌlaɪn/
Of, pertaining to, or characteristic of eagles; resembling that of an eagle.
parallelogram
C2
/ˌpæ.ɹəˈlɛl.əˌɡɹæm/
either of two rectangular areas (respectively the large parallelogram and the small parallelogram) abutting the goal line in front of the goal. (Since 1986 officially named the large rectangle and small rectangle, though the older names are still occasionally used.)
conic
C2
/ˈkɑ.nɪk/
of, relating to, or shaped like a cone
theodolite
C2
/θiˈɑ.dəˌlaɪt/
a surveying instrument with a movable telescope for precisely measuring horizontal and vertical angles
cordiality
C2
/koɹˈd͡ʒæl.ɪ.ti/
The quality of being cordial.
cacique
C2
/kəˈsiːk/
A tribal chief in the Spanish West Indies.
superposition
C2
/ˌsu.pɚ.pəˈzɪʃ.ən/
the geologic principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest
disproportion
C2+
/dɪspɹəˈpɔːʃən/
The state of being out of proportion; an abnormal or improper ratio; an imbalance.
assize
C2
/əˈsaɪz/
A statute or ordinance, especially one regulating weights and measures.
declension
C2
/dɪˈklɛn.ʃən/
a class of nouns or pronouns or adjectives in Indo-European languages having the same (or very similar) inflectional forms
pluralism
C2
/ˈplʊrəˌlɪzəm/
The quality or state of being plural, or in the plural number.
brushwood
C2
/ˈbɹʌʃˌwʊd/
the wood from bushes or small branches
determinate
C2
/dɪˈtɝːməˌneɪt/
not continuing to grow indefinitely at the apex
roentgen
C2
/ˈrent.ɡən/
a non-SI unit of exposure to X-rays or gamma rays, equal to 0.000258 coulomb per kilogram of dry air
multitudinous
C2
/ˌməltəˈt(j)ud(ɪ)n̩əs/
Existing in multitudes or great numbers; very numerous; innumerable.
lineal
C2
/ˈlɪni.əl/
in a straight unbroken line of descent from parent to child
irreducible
C2
/ˌɪɹɪˈdjuːsɪbəl/
incapable of being made smaller or simpler
convergent
C2
/kənˈvɝ.dʒənt/
tending to come together, meet, or become more alike from different directions
miscalculate
C2
/mɪsˈkælkjəleɪt/
to calculate a number, amount, distance, or other quantity incorrectly
numerator
B2
/ˈnuː.məˌreɪ.tɚ/
the number or expression written above the line in a fraction, indicating how many equal parts are being considered
trigonometric
C2
/ˌtrɪɡənəˈmɛtrɪk/
relating to trigonometry or calculated by using the relations between the sides and angles of triangles
hogshead
C2
/ˈhɑɡzˌhɛd/
a large barrel or cask, especially one used for alcoholic drink or other liquids
micrometer
B2
/maɪˈkɹɑmɪtəɹ/
A tool for measuring very small distances, such as thickness or diameter, with great precision.
quadrilateral
C2
/ˌkwɑdɹəˈlætəɹəl/
An area defended by four fortresses supporting each other.
verdure
C2
/ˈvɝd͡ʒɚ/
The greenness of lush or growing vegetation (greenery); also: the vegetation itself.
supernumerary
C2
/ˌsupɚˈn(j)uməˌɹɛɹi/
A person who works in a group, association, or public office without forming part of the regular staff (the numerary).
industrialize
B2
/ɪnˈdʌstɹiəlaɪz/
To develop industries and factories in a country or area.
interpolate
C2
/ɪnˈtɝ.pəˌleɪt/
to insert words or other material into a text, especially material added later or regarded as spurious
measurer
C2
/ˈmɛʒ.ɚ.ɚ/
a person who measures something or determines its dimensions, amount, or degree
steersman
C2
/ˈstiɹz.mən/
One who steers a ship or other vessel; the helmsman.
projective
C2
/prɑːˈdʒɛktɪv/
Of or related to projective geometry:
situs
C2
/ˈsaɪtəs/
The position, especially the usual, normal position, of a body part or part of a plant.
minim
C2
/ˈmɪnɪm/
a historical apothecaries' unit of liquid volume equal to one sixtieth of a fluid dram, roughly 0.06 milliliters
topological
C2
/təpəˈlɑːdʒɪkəl/
Of or relating to topology.
pentagonal
B2
/pɛnˈtæɡənəl/
having five sides and five angles, or relating to a pentagon
adjoin
C1
/əˈd͡ʒoɪn/
To be next to and touching something else.
rectilinear
C2
/ˌɹɛktɪˈlɪniɚ/
characterized by a straight line or lines
polygonal
C2
/pɑˈlɪɡənəl/
having the shape or angular form of a polygon
luxuriance
C2
/lʌɡˈʒʊəɹiəns/
The property of being luxuriant.
calculable
C2
/ˈkælkjələbəl/
able to be calculated, measured, or estimated with reasonable accuracy
acuteness
C2
/əˈkjuːtnəs/
a quick and penetrating intelligence
quaternary
C2
/ˈkwɑ.tɚˌnɛɹ.i/
consisting of four parts or arranged in groups of four
chronometric
C2
/ˌkrɑːnəˈmɛtrɪk/
relating to the precise measurement of time or to chronometers and other accurate timekeeping instruments
sensorium
C2
/sɛnˈsoɹ.i.jəm/
The entire sensory apparatus of an organism.
enumeration
C2
/ɪˌnjuːməˈɹeɪʃən/
A list; especially, a numbered list.
geometer
C2
/dʒiˈɑmətɚ/
a mathematician who specializes in geometry
obliquity
C2
/əˈblɪkwɪti/
The quality of being oblique in direction, deviating from the horizontal or vertical; or the angle created by such a deviation.
concavity
C2
/kənˈkævəti/
the quality or state of curving inward; the property of being concave
concatenation
C1
/kənˌkætəˈneɪʃən/
a series of things linked together, or the act of linking them into a chain or sequence
semi-human
C2+
/ˌsɛmiːˈhjuːmən/
Partially humanlike.
diametric
C2
/ˌdaɪəˈmɛtɹɪk/
completely or directly opposite; usually used in the phrase diametric opposite
invariant
C2
/ˌɪnˈvɛriːənt/
Unaffected by a specified operation, especially by a transformation.
potentiometer
C2
/pəˌtɛn(t)ʃiˈɑmɪtəɹ/
a measuring instrument for measuring direct current electromotive forces
numeration
C2
/ˌnuːməˈreɪʃən/
the act or process of counting or assigning numbers
covariant
C2
/koʊˈvɛriənt/
changing or transforming in a corresponding way under a change of coordinates or type relation
congruity
C2
/kənˈɡruəti/
agreement, consistency, or suitability between things
calorimeter
C2
/ˌkæl.əˈɹɪm.ə.t̬ɚ/
an instrument for measuring heat absorbed or released during a chemical reaction, phase change, or other physical process
quincunx
C2
/ˈkwɪŋkʌŋks/
An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes
sequent
C2
/ˈsiː.kwənt/
in proof theory, a formal expression showing that one or more conclusion formulas follow from a collection of premise formulas
inexactitude
C2
/ˌɪnɪɡˈzæktəˌtuːd/
lack of exactness, accuracy, or precision
hairbreadth
C2
/ˈhɛɹˌbɹɛdθ/
an extremely small distance, amount, or margin; literally, the width of a hair
collinear
C2
/kəˈlɪn.i.ɚ/
lying on the same line
reprobation
C2
/ˌɹɛpɹəˈbeɪʃən/
The act of reprobating; the state of being reprobated; strong disapproval, reproof or censure.
ordinal
C2
/ˈɔɹ.dɪ.nəl/
being or denoting a numerical order in a series