The meaning of PIONEER is a member of a military unit usually of construction engineers. How to use pioneer in a sentence.

PIONEERING definition: being a pioneer, one of the first to settle a region, thus opening it for occupation and development by others. See examples of pioneering used in a sentence.

PIONEERING definition: 1. using ideas and methods that have never been used before: 2. using ideas and methods that have…. Learn more.

Pioneering work or a pioneering individual does something that has not been done before, for example by developing or using new methods or techniques. The school has won awards for its pioneering …

pioneering (ˌpaɪəˈnɪərɪŋ) adj relating to, involving, or doing new and innovative work

Definition of pioneering adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

WordReference Random House Learner's Dictionary of American English © 2025 pi•o•neer•ing /ˌpaɪəˈnɪrɪŋ/ adj. [usually: before a noun] being the earliest in a field of study, activity, etc.: pioneering …

Pioneering work: Refers to groundbreaking or innovative efforts in any field. Example: "The scientist's pioneering work in renewable energy made a significant impact on the environment."

Characterized by being innovative, groundbreaking, or leading the way in a particular field or endeavor. See example sentences, synonyms, and etymology for the adjective pioneering.

He played a pioneering role in the development of online business models.