Any of the flowering plants of the genus Myosotis, mostly with a small five-petalled blue flower. / A light tint of blue, the color of the flower.

(idiomatic) To lack support, as in an argument, debate, or negotiation.

(law) Of a person, legally innocent of a crime which they have been accused of in a court of law. / (nonstandard) Innocent.

(law) A formal plea by a defendant of not being culpable for the crime with which the defendant is charged.

Not any person or thing whatsoever.

Things that appear valuable or worthwhile might not actually be so; things that look nice might not be as good as they look.

(idiomatic) To avoid something at all costs; to refuse to associate with something; signifies a strong aversion. / (idiomatic) To be unable (perhaps figuratively) to approach something or someone.

(Britain, slang) Greatly; to a considerable extent.

(idiomatic) To remain in one's mind for a long duration.

(idiomatic) To refuse completely to do something, generally out of scorn.