astute

As adjectives the difference between astute and opportune

is that astute is quickly and critically discerning while opportune is suitable for some particular purpose.

As adjectives the difference between astute and observant

is that astute is quickly and critically discerning while observant is alert and paying close attention; watchful.

As a noun Observant is

a member of a Franciscan order that strictly observes the rules of St. Francis.

As adjectives the difference between hinder and astute

is that hinder is of or belonging to that part or end which is in the rear or hind, or which follows while astute is quickly and critically discerning.

As a verb hinder

is to make difficult to accomplish; to frustrate, act as obstacle.

As a noun hinder

is (slang|euphemistic) the buttocks.

As adjectives the difference between astute and cerebral

is that astute is quickly and critically discerning while cerebral is of, or relating to the brain or cerebral cortex of the brain.

Astute is a synonym of discriminating.

As adjectives the difference between astute and discriminating

is that astute is quickly and critically discerning while discriminating is able to perceive fine distinctions between similar things; perceptive.

As a verb discriminating is

.

As adjectives the difference between astute and skilled

is that astute is quickly and critically discerning while skilled is having or showing skill; skilful.

As a verb skilled is

past tense of skill.

As adjectives the difference between austere and astute

is that austere is austere while astute is quickly and critically discerning.

As adjectives the difference between prescient and astute

is that prescient is having knowledge of events before they take place; possessing or exhibiting prescience while astute is quickly and critically discerning.

Unethical is a related term of astute.

As adjectives the difference between unethical and astute

is that unethical is not morally approvable; morally bad; not ethical while astute is quickly and critically discerning.

Astute is a related term of wary.

As adjectives the difference between astute and wary

is that astute is quickly and critically discerning while wary is cautious of danger; carefully watching and guarding against deception, artifices, and dangers; timorously or suspiciously prudent; circumspect; scrupulous; careful.