/ aɪ; NAmE / noun , pronoun , symbol , abbreviation
■ noun
(also i ) [ C , U ] ( pl. Is , I's , i's / aɪz; NAmE /) the 9th letter of the English alphabet :
'Island' begins with (an) I / 'I'.
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IDIOMS
see dot verb
■ pronoun
used as the subject of a verb when the speaker or writer is referring to himself / herself :
I think I'd better go now.
He and I are old friends.
When they asked me if I wanted the job, I said yes.
I'm not going to fall, am I?
I'm taller than her, aren't I?
—see also me
■ symbol
(also i ) the number 1 in Roman numerals
■ abbreviation
(also I. ) (especially on maps) Island(s); Isle(s)
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WORD ORIGIN
pronoun Old English , of Germanic origin; related to Dutch ik and German ich , from an Indo-European root shared by Latin ego and Greek egō .