tall applies to what grows or rises high by comparison with others of its kind and usually implies relative narrowness.

(Definition of tall from the Cambridge Academic Content Dictionary © Cambridge University Press)

Tall definition: having a relatively great height; of more than average stature: tall grass.. See examples of TALL used in a sentence.

You use tall to ask or talk about the height of someone or something. How tall are you? I'm only 5ft tall, and I look younger than my age. I am already as tall as she is.

Definition of tall adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

You use tall to describe things which are higher than usual, but which are also much higher than they are wide. So, for example, you talk about a tall tree or a tall chimney.

tall /tɔl/ adj., -er, -est, adv., n. adj. having great height: a tall man. having the height mentioned:[after a noun] a man six feet tall. large in amount or degree:[before a noun] …