Meaning of “comfortable” - Learner’s Dictionary

comfortable

adjective uk us /ˈkʌmftəbl/
NOT CAUSING PAIN

A2 Comfortable furniture, clothes, rooms, etc make you feel relaxed and do not cause any pain:

comfortable shoes
We had a comfortable journey.
PERSON

B1 If you are comfortable, you are relaxed and have no pain:

Make yourself comfortable while I fetch you a drink.
I don't feel comfortable in high heels.
→ Opposite uncomfortable
WITHOUT WORRIES

B2 If you are comfortable in a situation, you do not have any worries about it:

I don't feel comfortable about leaving the children here alone.
MONEY

having enough money for everything that you need:

a comfortable retirement
WIN

If you win a game or competition by a comfortable amount, you win easily:

a comfortable lead/victory
comfortably adverb

(Definition of “comfortable” from the Cambridge Learner’s Dictionary © Cambridge University Press)