IELTS Vocabulary — Set 107

Set 107 of IELTS Vocabulary covers 5 words: versatile, invaluable, substantial, structural, underlying. Each entry below includes its definition, an example sentence, and synonyms — practice them with the interactive cards above.

1. versatile · adjective/ˈvɜrsətaɪl/

   able to adapt or be adapted for many different functions or activities

   Her versatile skills in both design and programming make her an invaluable asset to the team.

   Synonyms: adaptable, flexible, multifunctional

   Origin: from Latin 'versatilis', meaning 'turning', from 'versare', to turn

2. invaluable · adjective/ɪnˈvæljuəbl/

   extremely useful or indispensable

   Her experience in the industry proved to be invaluable in securing the new client for our company.

   Synonyms: indispensable, essential, critical

   Origin: The word 'invaluable' comes from the prefix 'in-' meaning 'not' and 'valuable,' derived from the Latin 'valere' meaning 'to be strong or be worth'.

3. substantial · adjective/səbˈstæn.ʃəl/

   considerable in quantity, value, or importance

   The research provided substantial evidence that supports the theory of climate change.

   Synonyms: significant, considerable, ample

   Origin: from Middle English substancial, from Latin substantialis, from substantia 'substance'

4. structural · adjective/ˈstrʌk.tʃə.rəl/

   relating to the arrangement or interrelation of parts in a whole

   The structural integrity of the building was compromised after the earthquake, highlighting the importance of sound engineering.

   Synonyms: constructive, organizational, systemic

   Origin: from Latin 'structuralis', which derives from 'structura', meaning 'a building, arrangement'.

5. underlying · adjective/ˌʌndərˈlaɪɪŋ/

   basic or fundamental; serving as a foundation for something

   The underlying principles of a successful business model are often based on market demand and customer satisfaction.

   Synonyms: fundamental, basic, principal

   Origin: The word 'underlying' originates from the combination of 'under' and 'lying', with 'under' meaning beneath and 'lying' from the Old English 'licgan' meaning to lie or to be positioned.