stranger
noun
[ ˈstreɪn(d)ʒə ]
• a person whom one does not know or with whom one is not familiar.
• "don't talk to strangers"
Origin:
late Middle English: shortening of Old French estrangier, from Latin extraneus (see strange).
strange
adjective
• unusual or surprising; difficult to understand or explain.
• "children have some strange ideas"
Similar:
unusual,
odd,
curious,
peculiar,
funny,
bizarre,
weird,
uncanny,
queer,
unexpected,
unfamiliar,
abnormal,
atypical,
anomalous,
untypical,
different,
out of the ordinary,
out of the way,
extraordinary,
remarkable,
puzzling,
mystifying,
mysterious,
perplexing,
baffling,
unaccountable,
inexplicable,
incongruous,
uncommon,
irregular,
singular,
deviant,
aberrant,
freak,
freakish,
surreal,
suspicious,
dubious,
questionable,
eerie,
unnatural,
outré,
unco,
fishy,
creepy,
spooky,
rum,
bizarro,
eccentric,
unconventional,
idiosyncratic,
outlandish,
offbeat,
quirky,
quaint,
zany,
off-centre,
wacky,
way out,
freaky,
kooky,
kinky,
oddball,
like nothing on earth,
cranky,
screwy,
off the wall,
wacko,
backasswards,
dilly,
• not previously visited, seen, or encountered; unfamiliar or alien.
• "she was lost in a strange country"
• denoting or involving a flavour (variety) of unstable quark having an electric charge of - 1/3. Strange quarks have similar properties to down quarks and bottom quarks, but are distinguished from them by having an intermediate mass.
Origin:
Middle English: shortening of Old French estrange, from Latin extraneus ‘external, strange’.