fastthinker
nounUK /ˈfɑːstˌθɪŋkə/
US /ˈfæstˌθɪŋkər/
A fastthinker is someone who thinks of answers very quickly.
Mia is a fastthinker who always raises her hand first in class.
RELATED WORDS
OTHER MEANINGS
2. A person who makes decisions without taking much time to consider them.
As a fastthinker, he chose his college major in a single afternoon.
3. Someone who solves puzzles or problems at high speed.
The fastthinker finished the crossword before everyone else at the table.
4. A computer program or system designed to process information very rapidly.
The new fastthinker software answers customer questions in under a second.