the instant I saw her

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.

instant Noun

— An instant is a very short time. She looked at me and for an instant, I thought she was her mother. — Instant mathx/math is mathx/math that is ready, or happens, very quickly (in an instant). I don't like instant coffee, but that's usually what I drink. With his first book, he was an instant success.

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.

saw Noun

— A saw is a tool with sharp teeth used to cut something hard like wood. The man used a saw to cut the wood into pieces.

her Pronoun

— You use her instead of the name of a person, to talk about a woman or girl. (used in the object or complement position, never as a subject) This is Susan's book. Give it to her. — If you say something is her thing, you mean it belongs to a particular woman or girl. It is her book, not mine,