English · Slang Attested

90-day wonder

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

Newly-commissioned graduate of three-month Officer Candidate School (Army, Air Force), Midshipman School (Navy), or Direct Commissioning program.

Nghĩa · Tiếng Việt

sĩ quan mới được ủy nhiệm sau khóa học sĩ quan ứng viên ba tháng

Machine-translated — suggest a fix

⚠ Register: derogatory, slang

Where it’s used: Used American English

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “90-day wonder” mean?

Newly-commissioned graduate of three-month Officer Candidate School (Army, Air Force), Midshipman School (Navy), or Direct Commissioning program.

Is “90-day wonder” formal or informal?

90-day wonder is generally derogatory, slang.

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