I haven’t the slightest idea

I Pronoun

— The person who is speaking or writing I am writing this, and you are reading it.

I Noun

— The ninth letter or the alphabet; previous H, next J. I is a vowel.

I Symbol

— A symbol meaning first, as in "George I" (which is said as "George the first"). — The symbol for iodine on the periodic table of elements. — The symbol for electrical current.

I Number

— This is the roman numeral for one (1). It may be written as I or i.

i Noun

— The ninth letter or the alphabet; previous H, next J. I is a vowel.

the Determiner

— Used, instead of a, to reference something specific, already known to exist. Compare "I read a book." and "I read the book." — Used with a stress, to show that the word following is special. Are you the John Smith that I went to school with? — Used with an adjective that acts like a noun to mean all of the people concerned The poor are always with us. — Used with superlatives forms of adjectives and adverbs. You are the best.

slight Adjective

— A slight increase, difference, etc. is a small change. This year's 5.6% level is a slight increase from last year's 5.4%. Don't worry about me. It's just a slight pain I don't have the slightest idea what she meant. — If someone is slight, they are thin. Out stepped a slight, middle-aged woman who smiled kindly.

slight Verb

— If you slight someone, you treat them as if they were not important. Ever since that time, he's been slighted by his fellow workers.

slight Noun

— A slight is when you are not polite to someone. Has she forgiven him for his slight?

idea Noun

— An idea is a concept or a thought. It was a good idea. — An idea is something abstract (not concrete). Love is just an idea. — An idea is a way to see something, a view. He changed her ideas on religion.