What is an irregular verb?

What is an irregular verb?

A verb that is conjugated differently from the standard pattern.

A verb that looks weird when written.

A verb that sounds funny when spoken.

A verb that is both regular and non-regular.

An irregular verb is a verb that is conjugated differently from the standard pattern. It does not follow the regular rules of verb conjugation in terms of adding -ed or -d to form the past tense or past participle. Irregular verbs have unique forms for the past tense and past participle that do not follow a predictable pattern.