Definition of “tender” - Learner’s Dictionary

tender

adjective uk us /ˈtendər/
GENTLE

kind and gentle:

a tender kiss/look
FOOD

Tender meat or vegetables are soft and easy to cut.

PAINFUL

If part of your body is tender, it is painful when you touch it.

at the tender age of 8/17/25, etc literary

at the young age of 8/17/25, etc:

She first appeared on stage at the tender age of 14.
tenderness noun [ U ]

(Definition of “tender adjective” from the Cambridge Learner's Dictionary © Cambridge University Press)