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11 Plus Vocabulary Words Starting With U

8 words with meanings, synonyms, antonyms & example sentences

These are the 8 vocabulary words starting with U from our free 565-word 11 plus vocabulary list, from unfathomable to until including 2 advanced words of the kind that separates top verbal reasoning scores. Each entry shows the meaning, synonyms, antonyms and an example sentence — the exact skills tested in GL and CEM verbal reasoning, comprehension and cloze questions. You can also download the full list as a free PDF or practise these words with our free vocabulary games.

unfathomable

/ʌnˈfæðəməbəl/adjective
Advanced

Impossible to understand or measure the depth of

The universe is unfathomable in its vastness.

Synonyms: incomprehensible, inexplicable, mysterious, profound

Antonyms: understandable, comprehensible, shallow

uniform

/ˈjuːnɪfɔːm/noun
Easy

A distinctive set of clothes worn by members of the same group

Students must wear their school uniform every day.

Synonyms: outfit, costume, attire, dress

union

/ˈjuːniən/noun
Intermediate

The act of joining together; an organization of workers

The union of the two companies created a powerful corporation.

Synonyms: alliance, merger, combination, federation

Antonyms: separation, division, split

unite

/juːˈnaɪt/verb
Easy

To come or bring together to form a single unit

The team needed to unite to overcome the challenge.

Synonyms: join, combine, merge, connect

Antonyms: divide, separate, split

unnecessary

/ʌnˈnesəsəri/adjective
Easy

Not needed or required; more than what is essential

The extra packaging was completely unnecessary.

Synonyms: unneeded, superfluous, excessive, redundant

Antonyms: necessary, essential, required

unorthodox

/ʌnˈɔːθədɒks/adjective
Advanced

Contrary to what is usual, traditional, or accepted

His unorthodox teaching methods proved surprisingly effective.

Synonyms: unconventional, unusual, irregular, nonconformist

Antonyms: orthodox, conventional, traditional

unsurpassed

/ʌnsəˈpɑːst/adjective
Intermediate

Better or greater than any other; unequalled

Her knowledge of history remained unsurpassed by her peers.

Synonyms: unequalled, unmatched, supreme, incomparable

Antonyms: surpassed, exceeded, inferior

until

/ənˈtɪl/preposition
Easy

Up to the point in time or event mentioned

I will wait here until you return.

Synonyms: till, up to, before, pending

Antonyms: after, since, from

← Words starting with TWords starting with V

Turn these 8 words into marks

The interactive word list adds British audio pronunciation, memory tips and progress tracking for every word — and our 6 free vocabulary games turn revision into play.

Open the Interactive Word ListPlay Vocabulary Games

More 11+ vocabulary resources