Infinitive/ɪnˈfɪnətɪv/ Definition 1 of 2Pro Tip 1/3Common Collocations Pairs with 'split' or 'bare' to discuss different verb forms. Experts often debate the correctness of 'split infinitives'. Pro Tip 2/3Purpose Indicator Used to explain the reason for an action. He went to the store to buy milk. Pro Tip 3/3After Certain Verbs Often follows verbs like 'want', 'try', or 'learn'. She wants to dance gracefully.