Meaning of “strong” - Learner’s Dictionary

strong

adjective uk us /strɒŋ/
PHYSICALLY POWERFUL

A2 A strong person or animal is physically powerful:

Are you strong enough to lift this table on your own?
NOT BREAK

B1 A strong object does not break easily or can support heavy things:

a strong box/chair
QUALITY

B2 of a good quality or level and likely to be successful:

a strong competitor/team
a strong economy
FEELING

B2 A strong feeling, belief, or opinion is felt in a very deep and serious way:

a strong sense of pride
NOTICEABLE

B1 If a taste, smell, etc is strong, it is very noticeable:

There's a strong smell of burning.
PERSONALITY

B2 If a person or their personality is strong, they are confident and able to deal with problems well.

ALCOHOL

containing a lot of alcohol:

a strong drink
RELATIONSHIP

B1 If a friendship, relationship, etc is strong, it is likely to last for a long time.

strong chance/possibility, etc

something that is very likely to happen:

There's a strong possibility of rain this afternoon.
strong opposition/support, etc

a lot of opposition/support, etc

strong language

words that some people might consider to be offensive

sb's strong point

something that someone is very good at:

Cooking is not my strong point.
be still going strong

continuing to be successful after a long time

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