natural
(of a parent or child) related by blood; genetically related.
“natural parent”
Functioning or occurring in a normal way; lacking abnormalities or deficiencies.
“it's the natural thing to happen”
“natural immunity”
In accordance with nature; relating to or concerning nature.
“a very natural development”
“our natural environment”
(of a musical note) being neither raised nor lowered by one chromatic semitone.
“a natural scale”
“B natural”
Unthinking; prompted by (or as if by) instinct.
“a cat's natural aversion to water”
(used especially of commodities) being unprocessed or manufactured using only simple or minimal processes.
“natural yogurt”
“natural produce”
Being talented through inherited qualities.
“a natural leader”
Free from artificiality.
“a natural reaction”
Existing in or in conformity with nature or the observable world; neither supernatural nor magical.
“a perfectly natural explanation”
Existing in or produced by nature; not artificial or imitation.
“a natural pearl”
“natural gas”
Someone regarded as certain to succeed.
“he's a natural for the job”
A notation cancelling a previous sharp or flat.
(craps) a first roll of 7 or 11 that immediately wins the stake.