What Are bare infinitives in English?

The word 'bare' means without the addition of something. So you can easily get the meaning of a bare infinitive.

Infinitive in English

To-Infinitive, Bare Infinitive, and Split Infinitive

Bare Infinitive (Zero Infinitive): Usage and Examples • 7ESL

Bare infinitival complements in Present-Day English (Chapter 10) - The Verb Phrase in English

What is an infinitive?

Is the zero-complement verb a bare infinitive or an intransitive

What are Infinitives and How Do They Work?

Infinitive: Definition and Types

Causative Verbs and Infinitives/Causative Verb Bare Infinitive