No. Tall refers to height, while hidden refers to being out of sight.
Something tall could also be described as high, elevated, or towering.
Someone tall (especially tall and thin) could be described as lanky or rangy.
Something hidden would be unseen, concealed, cloaked, or veiled.
No they are not.
command, control, capacity
verticle and horizontal lines
Clamber, ascend, scale, escalate, rise, mount...
Some synonyms for the verb fence are bound, cage, confine, corral, enclose, pen restrict, secure, surround, or wall. Some synonyms for the noun fence are barrier, enclosure, hedge, palisade, rampart, stockade, or wall.
secret - latent - occult - covert - ulterior - privy all synonyms..
Synonyms include cloaked and covered.
Short
tall
Hidden, underground, private, covert, secret, buried...
Tall Tales.
unexpressed, hidden, wordless, unspoken, indicated, meant, figured
restricted, hidden, secluded, confined, recluse, sheltered, withdrawn, shielded
Antonyms of course.
A tall white hat with a pouched crown
Synonyms for cryptic are : secret; mysterious; code; obscure; hidden message or meaning
Synonyms: protected, shielded, sheltered; hidden, concealed, veiled Antonyms: exposed, revealed