(humorous, slang) Ibuprofen.

plural of I-ness

Extremely meticulous; detail-oriented.

plural of I-beam

(idiomatic) Used to express one's understanding of another's position.

(engineering) A beam with cross-section shaped like a capital letter I (with serifs top and bottom), used in construction.

(slang, idiomatic) Used to denote that the speaker finds another person sexually attractive.

A letter whose uppercase version is "I" and lowercase version is "ı". A letter "I"/"i" without the lowercase dot, that is used in the Turkish language.

(obsolete) In faith; indeed, truly.

(idiomatic, informal) Used to refer back to a previous statement in a discourse