invitational noun

/ˌɪn.vɪˈteɪ.ʃən.əl/ n [C] US

Definition

a sports event that people can only go to if they have been invited

adj

an invitational basketball tournament

(Definition of invitational noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Synonyms and related words:

If a problem preys on your mind, you think about it and worry about it a lot

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