Continuously updated · AI Dictionary
The language of AI,
clearly defined.
A field guide to the words changing how we build, work and think—from token and transformer to AI agents and vibe coding.
529 terms
10 topics
1847–2026 timeline
Built as a living reference
Clear words. Useful context.
01
Plain English firstThe definition comes before the jargon.
02
Usage over hypeEstablished meanings are separated from new or informal ones.
03
Show the trailSources appear on entries as they are reviewed.
Latest update · October 2026
New in the AI Dictionary
Fresh language for the newest shifts in AI, explained without the jargon.
memory injection
an attack that causes an AI agent or assistant to store attacker-controlled information or instructions in persistent memory so that they can influence its behavior in later conversations or tasks
Read definition ↗
cuck coding
a vulgar and mocking name for a form of AI-assisted programming in which a person is portrayed as mostly watching an AI generate code, occasionally giving directions, and taking little direct part in understanding or writing the implementation
Read definition ↗
credential delegation
the controlled granting of limited credentials or access tokens to an AI agent so it can act on behalf of a person or another system without receiving that person's underlying password or long-lived secret
Read definition ↗
KV cache compression
the reduction of the memory and data-movement cost of a language model's KV cache, for example by storing lower-precision values, retaining fewer tokens, using low-rank representations, or compressing cached states between inference steps
Read definition ↗