initial
US /ɪˈnɪʃəl/
・UK /ɪ'nɪʃl/
A2
noun
- First letter of your given name
verb
- To authorize something by writing your initials
adjecitve
- Existing or occurring at the beginning
Examples
She's always been known by her initials.
He carved his girlfriend's initials in the rock. Now that she was managing director she could put the initials MD after her name.