drill instructor
drill instructor noun: the generic term for the principal instructor of fresh military recruits undergoing basic training in the various branches of the United States military, routinely abbreviated to the initialism DI; always filled by enlisted personnel (a sergeant or petty officer).

Noun
drill instructor (plural drill instructors)
- The generic term for the principal instructor of fresh military recruits undergoing basic training in the various branches of the United States military, routinely abbreviated to the initialism DI; always filled by enlisted personnel (a sergeant or petty officer).
- Army: drill sergeant
- Navy: recruit division commander
Forms of drill instructor
| plural | drill instructors |
|---|
Questions about drill instructor
- What does drill instructor mean?
- Drill instructor means the generic term for the principal instructor of fresh military recruits undergoing basic training in the various branches of the United States military, routinely abbreviated to the initialism DI; always filled by enlisted personnel (a sergeant or petty officer).
- What part of speech is drill instructor?
- Drill instructor is a noun.
- What is the plural of drill instructor?
- The plural of drill instructor is drill instructors.
Words near drill instructor in the dictionary
Source and license
Adapted from Wiktionary: drill instructor (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “drill instructor.” Word.ws, https://word.ws/drill_instructor. Based on Wiktionary, CC BY-SA 4.0.
