outing vs expedition

outing and expedition both are nouns.

Word	Noun	Adjective	Verb	Adverb
outing	Yes	No	No	No
expedition	Yes	No	No	No

As nouns, outing and expedition are synonyms defined as:

Other synonyms of outing include excursion, jaunt, junket, pleasure trip, sashay.

outing (noun)	expedition (noun)
a journey taken for pleasure	a journey organized for a particular purpose
a day devoted to an outdoor social gathering	a military campaign designed to achieve a specific objective in a foreign country
	a journey taken for pleasure
	the property of being prompt and efficient
	an organized group of people undertaking a journey for a particular purpose