Word Formation & Derivatives
Prefixes, suffixes, compounds, inflections, and derived word families.
7226 words
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Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProC2+ (5170) Pro
triviality
C2+
/ˌtrɪviˈæləti/
the quality of being unimportant, or a trifling matter
M
S
trooper
C2+
/ˈtruːpɚ/
a soldier in a cavalry or armored unit, or a state police officer
M
S
tucker
C2+
/ˈtʌkɚ/
food or provisions, especially in Australian usage
M
S
tumbling
C2+
/ˈtʌmblɪŋ/
the performing of acrobatic rolls, leaps, and somersaults
M
S
tuneful
C2+
/ˈtuːnfəl/
having a pleasant melody; melodious
M
S
tutelar
C2+
/ˈtuːtɪlɚ/
serving as a protector or guardian; tutelary
M
S
tutelary
C2+
/ˈtuːtɪlɛri/
having the role of a guardian or protector
M
S
ugliness
C2+
/ˈʌɡlinəs/
the quality of being unpleasant or repulsive in appearance
M
S
umber
C2+
/ˈʌmbɚ/
a brown earth pigment, or its dark yellowish-brown color
M
S
umbrageous
C2+
/ʌmˈbreɪdʒəs/
giving shade; shady; or easily offended
M
S
unabandoned
C2+
/ˌʌnəˈbændənd/
not abandoned; still occupied, kept, or maintained
M
S
unability
C2+
/ˌʌnəˈbɪləti/
lack of ability; inability
M
S
unaccustomed
C2+
/ˌʌnəˈkʌstəmd/
not used to something; unfamiliar or unusual
M
S
unadulteratedly
C2+
/ˌʌnəˈdʌltəreɪtɪdli/
in a pure or unmixed manner; utterly
M
S
unagitated
C2+
/ʌnˈædʒɪteɪtɪd/
calm and undisturbed; not stirred or troubled
M
S
unallowed
C2+
/ˌʌnəˈlaʊd/
not permitted or sanctioned
M
S
unalluring
C2+
/ˌʌnəˈlʊrɪŋ/
not attractive or tempting
M
S
unapprehended
C2+
/ˌʌnæprɪˈhɛndɪd/
not captured; or not grasped or understood
M
S
unartistic
C2+
/ˌʌnɑːrˈtɪstɪk/
lacking artistic quality, taste, or skill
M
S
unascertained
C2+
/ˌʌnæsɚˈteɪnd/
not yet determined or established with certainty
M
S
unavoidable
C2+
/ˌʌnəˈvɔɪdəbəl/
impossible to avoid or prevent; inevitable
M
S
unavoidably
C2+
/ˌʌnəˈvɔɪdəbli/
in a way that cannot be avoided; inevitably
M
S
unawareness
C2+
/ˌʌnəˈwɛrnəs/
the state of not being conscious or cognizant of something
M
S
unbalanced
C2+
/ʌnˈbælənst/
not in equilibrium; or mentally disturbed
M
S
unbeloved
C2+
/ˌʌnbɪˈlʌvd/
not loved or cherished
M
S
unbowed
C2+
/ʌnˈbaʊd/
not subdued or defeated; remaining proud and defiant
M
S
unbreakable
C2+
/ʌnˈbreɪkəbəl/
impossible to break or destroy
M
S
unbroken
C2+
/ʌnˈbroʊkən/
not broken, interrupted, or tamed; continuous
M
S
uncannily
C2+
/ʌnˈkænəli/
in a strange or eerie way that is hard to explain
M
S
uncertainly
C2+
/ʌnˈsɜːrtənli/
in a hesitant or doubtful manner
M
S
uncertainness
C2+
/ʌnˈsɜːrtənnəs/
the state of being unsure or doubtful; uncertainty
M
S
uncheerful
C2+
/ʌnˈtʃɪrfəl/
not cheerful; gloomy or dispiriting
M
S
uncogent
C2+
/ʌnˈkoʊdʒənt/
not convincing or logically forceful
M
S
uncomfortableness
C2+
/ʌnˈkʌmftɚbəlnəs/
the state of being uneasy or physically uncomfortable
M
S
uncommunicativeness
C2+
/ˌʌnkəˈmjuːnɪkətɪvnəs/
unwillingness or inability to talk or share information
M
S
uncompassion
C2+
/ˌʌnkəmˈpæʃən/
lack of sympathy or pity; absence of compassion
M
S
uncompassionate
C2+
/ˌʌnkəmˈpæʃənət/
showing no sympathy or pity
M
S
uncompelling
C2+
/ˌʌnkəmˈpɛlɪŋ/
not persuasive or interesting
M
S
uncomplicated
C2+
/ʌnˈkɑːmplɪkeɪtɪd/
simple and easy to understand or deal with
M
S
unconcernedly
C2+
/ˌʌnkənˈsɜːrnɪdli/
in a manner free from worry or interest; indifferently
M
S
unconditional
C2+
/ˌʌnkənˈdɪʃənəl/
not subject to any conditions; absolute
M
S
uncontemporary
C2+
/ˌʌnkənˈtɛmpərɛri/
not modern or current; out of keeping with the present time
M
S
unconventionally
C2+
/ˌʌnkənˈvɛnʃənəli/
in a way that departs from accepted custom or practice
M
S
unconvoluted
C2+
/ʌnˈkɑːnvəluːtɪd/
not complicated or intricate; straightforward
M
S
uncourageous
C2+
/ˌʌnkəˈreɪdʒəs/
lacking courage; timid or cowardly
M
S
uncultivated
C2+
/ʌnˈkʌltɪveɪtɪd/
not farmed or developed; or lacking refinement
M
S
undauntable
C2+
/ʌnˈdɔːntəbəl/
impossible to discourage or intimidate
M
S
undauntedly
C2+
/ʌnˈdɔːntɪdli/
in a fearless and resolute manner
M
S
undauntedness
C2+
/ʌnˈdɔːntɪdnəs/
the quality of being fearless and undismayed
M
S
underbuilding
C2+
/ˈʌndɚˌbɪldɪŋ/
a structure forming a foundation or substructure beneath another
M
S
underdressed
C2+
/ˌʌndɚˈdrɛst/
dressed too casually or lightly for an occasion
M
S
undergarment
C2+
/ˈʌndɚˌɡɑːrmənt/
an item of clothing worn beneath outer clothes
M
S
undergoer
C2+
/ˌʌndɚˈɡoʊɚ/
one who undergoes or experiences something, especially an action
M
S
underhandedness
C2+
/ˌʌndɚˈhændɪdnəs/
the quality of being secretive, sly, or deceitful
M
S
underprivileged
C2+
/ˌʌndɚˈprɪvəlɪdʒd/
lacking the advantages and opportunities others enjoy
M
S
underrate
C2+
/ˌʌndɚˈreɪt/
to assign too low a value or estimate to something
M
S
understandably
C2+
/ˌʌndɚˈstændəbli/
in a way that is reasonable or easy to comprehend
M
S
understate
C2+
/ˌʌndɚˈsteɪt/
to describe something as less significant than it really is
M
S
understudy
C2+
/ˈʌndɚˌstʌdi/
an actor who learns a role to substitute for the regular performer
M
S
underwriter
C2+
/ˈʌndɚˌraɪtɚ/
a person or firm that assesses and assumes financial risk, as in insurance
M
S
undeveloped
C2+
/ˌʌndɪˈvɛləpt/
not built up, matured, or fully formed
M
S
undischarged
C2+
/ˌʌndɪsˈtʃɑːrdʒd/
not paid off, released, or carried out; still outstanding
M
S
undiscovered
C2+
/ˌʌndɪsˈkʌvɚd/
not yet found, revealed, or recognized
M
S
undistinguishable
C2+
/ˌʌndɪˈstɪŋɡwɪʃəbəl/
impossible to tell apart or perceive clearly; indistinguishable
M
S
undoubtably
C2+
/ʌnˈdaʊtəbli/
without doubt; undoubtedly
M
S
uneccentric
C2+
/ˌʌnɪkˈsɛntrɪk/
not eccentric; conventional or ordinary in behavior
M
S
uneducated
C2+
/ʌnˈɛdʒəˌkeɪtɪd/
lacking formal schooling or knowledge
M
S
uneloquent
C2+
/ˌʌnˈɛləkwənt/
not fluent or persuasive in speech
M
S
unencumber
C2+
/ˌʌnɪnˈkʌmbɚ/
to free from a burden or impediment
M
S
unengaging
C2+
/ˌʌnɪnˈɡeɪdʒɪŋ/
failing to attract interest or attention
M
S
unequality
C2+
/ˌʌnɪˈkwɑləti/
lack of equality; disparity
M
S
unerring
C2+
/ʌnˈɜrɪŋ/
consistently accurate and never making a mistake
M
S
unevenly
C2+
/ʌnˈivənli/
in a way that is not uniform or balanced
M
S
unexclusive
C2+
/ˌʌnɪkˈsklusɪv/
not restricted to a select few; open to all
M
S
unexplained
C2+
/ˌʌnɪkˈspleɪnd/
not made clear or accounted for
M
S
unfairness
C2+
/ʌnˈfɛrnəs/
the quality of being unjust or inequitable
M
S
unfaked
C2+
/ʌnˈfeɪkt/
genuine; not falsified or pretended
M
S
unfeelingly
C2+
/ʌnˈfilɪŋli/
without sympathy or emotion; callously
M
S
unfeigned
C2+
/ʌnˈfeɪnd/
genuine and sincere; not pretended
M
S
unfettered
C2+
/ʌnˈfɛtɚd/
free from restraint or restriction
M
S
unfitness
C2+
/ʌnˈfɪtnəs/
the state of being unsuitable or physically unhealthy
M
S
unfortunateness
C2+
/ʌnˈfɔrtʃənətnəs/
the condition of being unlucky or regrettable
M
S
unfrequented
C2+
/ˌʌnfriˈkwɛntɪd/
rarely visited; secluded
M
S
unfriendliness
C2+
/ʌnˈfrɛndlinəs/
the quality of being unwelcoming or hostile
M
S
unfurnish
C2+
/ʌnˈfɜrnɪʃ/
to strip of furniture or equipment
M
S
ungenerous
C2+
/ʌnˈdʒɛnərəs/
mean or stingy; unwilling to give
M
S
ungovernable
C2+
/ʌnˈɡʌvərnəbəl/
impossible to control or rule
M
S
unguent
C2+
/ˈʌŋɡwənt/
a soft greasy substance used as ointment or for lubrication
M
S
unguilty
C2+
/ʌnˈɡɪlti/
free from guilt; innocent
M
S
unhandy
C2+
/ʌnˈhændi/
awkward to use or lacking manual skill
M
S
unhappily
C2+
/ʌnˈhæpəli/
in a sad manner; unfortunately
M
S
unharmful
C2+
/ʌnˈhɑrmfəl/
causing no harm; harmless
M
S
unhasty
C2+
/ʌnˈheɪsti/
not hurried; deliberate and measured
M
S
unhazardous
C2+
/ʌnˈhæzərdəs/
not dangerous; safe
M
S
unheed
C2+
/ʌnˈhid/
to disregard or pay no attention to
M
S
unhindered
C2+
/ʌnˈhɪndɚd/
not obstructed or impeded
M
S
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