Frequency: The word is one of the 3000 most common words in English.
1.
If you are glad about something, you are happy and pleased about it.
I'm glad I relented in the end...
The people seem genuinely glad to see you...
I ought to be glad about what happened...
I'd be glad if the boys slept a little longer so I could do some ironing.
ADJ: v-link ADJ, oft ADJ that, ADJ to-inf, ADJ of/about n
• gladly
Mallarme gladly accepted the invitation.
ADV: ADV with v
• gladness
...a night of joy and gladness.
N-UNCOUNT
2.
If you say that you will be glad to do something, usually for someone else, you mean that you are willing and eager to do it.
I'll be glad to show you everything...
We should be glad to answer any questions.
= happy
ADJ: v-link ADJ to-inf [feelings]
• gladly
The counselors will gladly baby-sit during their free time.
ADV: ADV with v