I would like to know the difference between 'being glad' and 'being happy'?
Hello everyone,
Some times even dictionaries take these words as similar, but it must be a clear difference in their proper usages.
Could you give some examples and/or theory for the correct use of 'happy' and 'glad'.
Thank you so much!

Question

Answer

"Glad" and "happy" are almost interchangeable as synonyms
Somebody can feel happy for no reason, usually a more subdued enduring sense of well-being, satisfaction, and enjoyment.
But there has to be something concrete to feel glad about, usually associated with a short-term experience of pleasure, joy, or delight through some immediate cause.
You can say that "happy" is "happier" than just "glad".
In a business letter expressing pleasure, then you would use "glad", rather than "happy".

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"Happy" means feeling good for any reason.

"Glad" means you are happy BECAUSE you are grateful or appreciative about something.

I am happy when I am eating ice cream.

I am glad that I remembered to buy ice cream yesterday so that we have some to eat tonight.

It makes me happy when I hear mockingbirds singing in my neighborhood.

I am glad that I live in a neighborhood that has mockingbirds.

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"happy" is a twice stronger feeling than "glad"

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Happy Synonym
positive meaning similar to the word "happy."  cheerful, glad, content, pleased, delighted, joyful, elated, lighthearted, & thrilled