anyone's
Belonging to whoever
Anyone's is the possessive form of anyone: That could be anyone's guess.
It also contracts anyone is or anyone has: Anyone's welcome to join or Has anyone's order arrived yet?
Context usually makes clear which is meant.
State of fitting in
- propertySomething owned or inherent
- ownershipLegal right of possession
- claimStatement of ownership or truth
- thingUnspecified entity or matter
stuff · item · asset · possession · object · belongings · goods · personal
State of being unsure
- unpredictabilityState resisting forecasts
- unknownNot yet discovered
- mysterySomething unexplained or unknown
- speculationUnproven theorizing or risky investment
conjecture · gamble · tossup · wildcard · chance · randomness · luck · estimation
belonging
State of fitting in
- propertySomething owned or inherent
- ownershipLegal right of possession
- claimStatement of ownership or truth
thing · stuff · item · asset · possession · object · belongings · goods · personal · effects
uncertainty
State of being unsure
- unpredictabilityState resisting forecasts
- unknownNot yet discovered
- mysterySomething unexplained or unknown
speculation · conjecture · gamble · tossup · wildcard · chance · randomness · luck · estimation · prediction
competition
Struggle for supremacy
- contestOrganized competitive event
- opennessQuality of being accessible
- opportunityFavorable circumstance for advancement
fairness · equality · undecided · close · tight · even · matched · competitive · winnable · uncertain
anyone'snobody's
Belonging to no person
proprietary · restricted · personal · private
- anyone elseInquiry seeking additional participants
- everybody who's anyoneAll notable or influential people
- anyone's guessEntirely unknown outcome
- anyone who's anyonePeople of social importance
- everyone who is anyoneAll persons of significance
- anybody who's anyonePeople of significance