Answer:
having a damaged reputation
Explanation:
discredited means to lose your respectability.
Using context clues, why would the witness have left the courtroom in humiliation? It can't be because they have good judgment or that they were honorable. That leaves "sorrowful" and "having a damaged reputation." Having a damaged reputation is more tied to humiliation, but if you didn't pick up on that, credited means of respect and the opposite most closely means having a damaged rep.
One of Adam’s drawbacks in his music career was that he was unable to understand the guitar and bass in counterpoint.
In music, counterpoint is the connection between voices that are harmonically associated yet free in beat and form. The term is taken from the Latin punctus contra punctum signifying "point against point".
Answer:
adjective
adjective: rudimentary
involving or limited to basic principles.
"he received a rudimentary education"
Similar:
basic
elementary
introductory
early
primary
initial
first
fundamental
essential
rudimental
Opposite:
advanced
relating to an immature, undeveloped, or basic form.
"a rudimentary stage of evolution"
Similar:
primitive
crude
simple
unsophisticated
rough
rough and ready
makeshift
rude
vestigial
undeveloped
incomplete
embryonic
immature
nonfunctional
abortive
obsolete
Opposite:
sophisticated
developed
