• The imaginary quantity equal to the square root of minus one.

  Compare with j

nounplural noun Is, plural noun I's

• 1The ninth letter of the alphabet.

  ‘The letter i is made up of a single minim, with or without a dot above it.’

  More example sentences

  • ‘However, because of the Latin contributions to English, the letter "i" does not always comply.’

  1. 1.1Denoting the next after H in a set of items, categories, etc.
• 2The Roman numeral for one.

  More example sentences

  • ‘Only assets included in Section I that are pledged should be reported here.’

pronoun

• 1Used by a speaker to refer to himself or herself.

  ‘accept me for what I am’

  More example sentences

  • ‘If this was for real it would go down as the strangest mobile phone design that I have ever seen.’
  • ‘Anyway, here is the list of movies I watched.’

  1. 1.1West Indian Me.
     More example sentences

     • ‘Junior tell I is the army him a'work for’
  2. 1.2West Indian (especially among Rastafarians) used in reference to oneself or to people in general.
     ‘I and I must submit to and follow Jah’
     More example sentences

     • ‘These turbans or crowns are a form of anciency representing the royalty of I and I Rastafari people from ancient times until this time.’
     • ‘The information I-man retrieved is not from one book, but many.’

noun

• the I(in metaphysics) the subject or object of self-consciousness; the ego.

  Synonyms

  ego, I, oneself, persona, person, identity, character, personality, psyche, soul, spirit, mind, intellect, inner man, inner person, inner woman, inner self, one's innermost feelings, one's heart of hearts

abbreviation

• 1Island(s) or Isle(s) (chiefly on maps).

• 2Italy (international vehicle registration).

• 1Electric current.

  More example sentences

  • ‘V = I/R’
• 2The chemical element iodine.