Definition of natural
(adj)
in
accordance with nature; relating to or concerning nature; "a
very natural development"; "our
natural environment"; "natural science"; "natural resources"; "natural cliffs"; "natural phenomena"
unthinking; prompted by (or as if by) instinct; "a cat's
natural aversion to water"; "offering to
help was as instinctive as breathing"
free from artificiality; "a lifelike pose"; "a
natural reaction"