i Register
In some senses, char is marked as obsolete, colloquial, British. Watch for register when choosing this word.
ADJ.
crispy, fresh
I love biting into a crispy char exterior followed by the tender meat inside.
VERB + CHAR
give, love, visiting
I love visiting the old bookshop in town and having a good char with the owner.
CHAR + NOUN
adriano's, dot, gogg, matrix, sec, steak
The steak had a nice char on the outside while staying juicy inside.
PREP.
on
The chicken was charred on the outside but still juicy on the inside.