Pronunciation: /ɪmˈprɛʃn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: im-PRES-sion
Synonym: perception, imprint
opposite: reality
My first impression of him was that he was unfriendly
Pronunciation: /ˈθɪəri/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: THE-o-ry
Synonym: hypothesis, concept
Opposite: fact
The theory of evolution has been widely accepted by the scientific community
Pronunciation: /ˈθɪŋkɪŋ/
Part of speech: noun/adjective
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: THINK-ing
Synonym: reasoning, thought
Opposite: irrationality
His thinking on the matter was very logical
Pronunciation: /tʃɔɪs/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: CHOICE
Synonym: option, decision
Opposite: obligation
She had to make a choice between two job offers
Pronunciation: /ˈɒpʃn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: OP-tion
Synonym: choice, alternative
Opposite: obligation
She had several options for vacation destinations
Pronunciation: /ˈɪɡnərəns/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: IG-no-rance
Synonym: unawareness, naivety
Opposite: knowledge
His ignorance of basic math concepts was evident in his work
Pronunciation: /daʊt/
Part of speech: noun/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Uncountable (when referring to the feeling)
Transitive or intransitive: Intransitive (when used as a verb)
Stress marks: DOUBT
Synonym: uncertainty, question
Opposite: certainty
She had doubts about his ability to complete the project on time
Pronunciation: /ˌpɒsəˈbɪlɪti/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: pos-si-BIL-i-ty
Synonym: potential, chance
Opposite: impossibility
There is a possibility of rain later today
Pronunciation: /ˈkɒnsɛpt/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: CON-cept
Synonym: notion, idea
Opposite: reality
The concept of time travel is fascinating
Pronunciation: /prɪˈdɪkʃn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: pre-DIC-tion
Synonym: forecast, prophecy
Opposite: hindsight
His prediction about the outcome of the game was accurate
Pronunciation: /truːθ/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: TRUTH
Synonym: reality, fact
Opposite: falsehood
The truth about the situation was revealed in the end
Pronunciation: /pəˈmɪʃn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: per-MIS-sion
Synonym: authorization, consent
Opposite: prohibition
She asked for permission to leave early
Pronunciation: /ˈɛvɪdəns/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: EV-i-dence
Synonym: proof, testimony
Opposite: speculation
The evidence presented in court was compelling
Pronunciation: /kəmˈpærɪsn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: com-PAR-i-son
Synonym: analogy, similarity
Opposite: contrast
The comparison between the two products was interesting
Pronunciation: /kənˈsɜːn/
Part of speech: noun/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable (when referring to a matter)
Transitive or intransitive: Transitive (when used as a verb)
Stress marks: con-CERN
Synonym: worry, interest
Opposite: indifference
His concern for the environment is evident in his lifestyle choices
Pronunciation: /ɡrəʊθ/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Uncountable
Transitive or intransitive: None
Stress marks: GROWTH
Synonym: development, expansion
Opposite: decline
The growth of the company was impressive
Pronunciation: /driːm/
Part of speech: noun/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable (when referring to a specific dream)
Transitive or intransitive: Intransitive (when used as a verb)
Stress marks: DREAM
Synonym: vision, aspiration
Opposite: reality
She had a vivid dream about flying
Pronunciation: /ˈnaɪtmɛː/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: NIGHT-mare
Synonym: bad dream, horror
Opposite: pleasant dream
The car accident was a nightmare for everyone involved
Pronunciation: /ˈɒfə/
Part of speech: noun/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable
Transitive or intransitive: Transitive (when used as a verb)
Stress marks: OF-fer
Synonym: proposal, present
Opposite: refusal
She received an offer for the job she had applied for.
Pronunciation: /ˈdɪf(ə)r(ə)ns/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: DIF-fer-ence
Synonym: distinction, variation
Opposite: similarity
The difference between the two products was significant
Pronunciation: /pəˈzɛʃ(ə)n/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: po-SES-sion
Synonym: ownership, control
Opposite: loss
His possession of the stolen goods was illegal
Pronunciation: /ˈprɒmɪs/
Part of speech: noun/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Countable (when referring to a specific promise)
Transitive or intransitive: Transitive (when used as a verb)
Stress marks: PROM-ise
Synonym: assurance, commitment
Opposite: betrayal
He made a promise to be home by 6 pm
Pronunciation: /ˈæbstrækt/
Part of speech: adjective/noun
Irregular spelling and irregular forms: abstractly (adverb)
Formal or informal: Formal
Countable or uncountable: Countable (when referring to a summary)
Transitive or intransitive: None
Stress marks: AB-stract
Synonym: theoretical, summary
Opposite: concrete
The concept of love is abstract and difficult to define
Pronunciation: /ˈkɒntɛnt/
Part of speech: noun/adjective/verb
Irregular spelling and irregular forms: None
Formal or informal: Both
Countable or uncountable: Uncountable (when referring to material)
Transitive or intransitive: Transitive (when used as a verb)
Stress marks: CON-tent
Synonym: substance, pleased
Opposite: discontent
The content of the book was very informative
Pronunciation: /ˌsɪtjʊˈeɪʃn/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: si-tu-A-tion
Synonym: circumstance, condition
Opposite: stability
The situation in the country is tense due to political unrest
Pronunciation: /ˈætɪtjuːd/
Part of speech: noun
Irregular spelling and irregular forms: None
Formal or informal: Formal
Countable or uncountable: Countable
Transitive or intransitive: None
Stress marks: AT-ti-tude
Synonym: perspective, mindset
Opposite: indifference
Her attitude towards her job is very positive