English · Slang Attested

killer

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

Both English Tiếng Việt

Meaning · English

Excellent, very good, cool.

Nghĩa · Tiếng Việt

Tuyệt vời, rất tốt, mát mẻ

Machine-translated — suggest a fix

Where it’s used: Used American English

killer feature

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

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

Common questions

What does “killer” mean?

Excellent, very good, cool.

Is “killer” formal or informal?

killer is generally slang.

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