unacquainted

Strangers to each

Unacquainted means not familiar with something or someone.

If you are unacquainted with a subject, you have no knowledge or experience of it: I was completely unacquainted with her work.

Of people, it means not having met or not knowing each other: The two remained unacquainted despite living in the same building for years.

introductions

stranger

Person not yet known

newcomerRecent arrival somewhere
outsiderOne excluded from group
introductionPreliminary section or presentation

icebreaker · handshake · greeting · presentation · networking · mingling · socializing · encounter · acquaintanceship

ignorant

uninformed

Lacking necessary knowledge

unawareLacking knowledge of something
unknowingLacking awareness or information
obliviousLacking any awareness

ignorant · naive · clueless · unversed · inexperienced · uninitiated · unschooled · untutored · unenlightened · unlearned

unfamiliar

unfamiliar

Not previously known

unknownNot yet discovered
newRecently created or begun
strangeUnusual or unfamiliar

foreign · novel · unexplored · undiscovered · uncharted · untried · untested · fresh · alien · exotic

estranged

estranged

Separated by emotional distance

distantFar away or aloof
detachedApart or uninvolved
disconnectedSeparated from a source

alienated · removed · separated · isolated · aloof · remote · standoffish · cold · withdrawn · disengaged

Opposites

familiarity with people

unacquaintedacquainted

Having personal knowledge of

familiar · intimate · friendly · close · introduced

knowledge of subjects or topics

unacquaintedfamiliar

Known from experience

conversant · well-versed · acquainted · knowledgeable · informed

Family

acquaintance, acquaint, acquainted, acquainting, reacquainted, reacquaint, reacquainting, reacquaintance

Familiarity: Top 500,000
Profile: Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G