stand/walk tall

tall | American Dictionary

tall
adjective[ -er/-est only ]
us/tɔl/

talladjective[-er/-est only] (VERY HIGH)

of more than average height:
She’s tall and slim.
The Sears Tower is taller than the Empire State Building.

talladjective[-er/-est only] (THIS HIGH)

of a particular height:
Four of her friends are six feet or taller.

tall | Business English

tall
adjective
 HR, MANAGEMENTuk /tɔːl/us
used to describe an organization with many levels of jobs between top management and the workers at the bottom:
In a tall organizational structure, employees often lie at the bottom of a long chain of supervisors, managers, and executives.

Examples of tall

tall
The dentary is long and slender and is dorsoventrally tallest at its caudal margin.
Only trees taller than 1 m were included in the survey.
Marble vases average 13 cm in height and 13 cm in diameter; they are typically taller than they are wide.
Blocks of the pie chart clockwise from the bull's-eye represent the percentage of trees where the surrounding canopy is taller than the target tree.
The resulting plots of height vs. dbh were inspected to see if the tallest trees were outliers for each species.
As we lacked the necessary height distributions for such methods at most sites, we simply took the heights of the tallest trees per species, as direct measures of maximum height.
No significant difference was found between the median heights of the tallest seedlings in clumps at nest sites and the tallest labelled seedlings under individual conspecific trees.
The boy removing his shorts to the right of the canvas appears not just bigger or taller than the figure to his left but actually of a different scale.
The tallest in the family, she is a lawyer, previously divorced, and her first appearance is in chapter 25.
From
Wikipedia