Set 80 · Study 1 / 5

Exit

regrettable

adjective/rɪˈɡrɛtəbl/

causing or deserving regret

It is regrettable that the company had to lay off employees due to economic downturns.

unfortunatedeplorablelamentable
word origin — From Latin 'regrettabilis', from 'regret' + '-able'

IELTS Vocabulary — Set 80

Set 80 of IELTS Vocabulary covers 5 words: regrettable, inner, appropriate, unanimous, hollow. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

  1. regrettable · adjective/rɪˈɡrɛtəbl/

    causing or deserving regret

    It is regrettable that the company had to lay off employees due to economic downturns.

    Synonyms: unfortunate, deplorable, lamentable

    Origin: From Latin 'regrettabilis', from 'regret' + '-able'

  2. inner · adjective/ˈɪnər/

    located or occurring within the interior or inner part

    The inner workings of the machine are complex, requiring specialized knowledge to understand.

    Synonyms: internal, interior, enclosed

    Origin: from Old English 'innera', comparative of 'in', related to the Proto-Germanic 'inwaz'

  3. appropriate · adjective/əˈproʊ.pri.ət/

    suitable or proper in the circumstances

    It is appropriate to dress formally for a job interview to make a good impression.

    Synonyms: suitable, proper, fitting

    Origin: from Latin 'appropriatus', past participle of 'appropriare', meaning 'to make one's own'

  4. unanimous · adjective/juˈnæn.ɪ.məs/

    in complete agreement by all parties involved

    The committee reached a unanimous decision to approve the new policy.

    Synonyms: united, agreed, harmonious

    Origin: The word 'unanimous' originates from the Latin 'unanimus', which means 'of one mind', composed of 'uni-' (one) and 'animus' (mind or spirit).

  5. hollow · adjective/ˈhɑː.loʊ/

    having a space or empty area inside

    The old tree had a hollow trunk that provided a perfect home for the birds.

    Synonyms: empty, vacant, void

    Origin: Middle English 'holow', from Old English 'holh' meaning 'hole, hollow'.