prin·ci·pal
ˈprin(t)-s(ə-)pəl
-sə-bəl
1
: most important, consequential, or influential : chief
the principal ingredient
the region's principal city
2
: of, relating to, or constituting principal or a principal (see principal entry 2)
Evidence of confusion between principle and principal can be found even in publications overseen by professional editors. To keep these words straight, remember that principle functions only as a noun, and in its most common uses refers to a basic rule or law, as in
a guiding principle
or
a matter of principle.
If you are looking for an adjective form of this word, you must use principled, as in
taking a principled stand.
Principal functions as both a noun and an adjective. The noun has various meanings referring to someone with controlling authority
the school principal
or in a leading position
the ballet's two principals
, but also has meanings relating to finance, law, and architecture. As an adjective, principal typically means "most important," as in
the principal reason.
prin·ci·pal
ˈprin(t)-s(ə-)pəl
-sə-bəl
1
: a person who has controlling authority or is in a leading position: such as
a
: a chief or head man or woman
b
: the chief executive officer of an educational institution
c
: one who engages another to act as an agent subject to general control and instruction
specifically
: the person from whom an agent's authority derives
d
: the chief or an actual participant in a crime
e
: the person primarily or ultimately liable on a legal obligation
f
: a leading performer : star
2
b
: the construction that gives shape and strength to a roof and is usually one of several trusses
broadly
: the most important member of a piece of framing
Love words? Need even more definitions?
Merriam-Webster unabridged
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