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Definition of wild oat

wild oat

Plural:wild oats
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wild oat Lexical Profile

• noun

1

An act of youthful indiscretion, foolishness, or promiscuity.

Example

"He spent his university years sowing his wild oats before finally committing to a serious career and marriage."


2

A tall, coarse wild grass native to Eurasia, which often grows as a troublesome weed in cultivated cereal crops and is considered an ancestor to cultivated oats.

Example

"The farmer applied a targeted herbicide to eradicate the wild oat that was slowly choking his commercial wheat field."

Synonyms
View all synonyms for wild oat

Word Nuance & Usage

While literally referring to a grassy weed, the term is predominantly encountered in the plural idiom 'to sow one's wild oats,' which refers to engaging in youthful excesses before settling down.

Word Origin & Etymology

Derived from Middle English 'wilde' and 'ote'. The figurative idiom originated in the 16th century, playing on the agricultural folly of sowing useless weeds rather than productive cereal crops.

Cite this Entry


Wordmom. (2026). Definition of Wild oat. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/wild oat
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