This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who is excluded from a party, association, or set.

n. One who is isolated or detached from the activities or concerns of his or her own community.

n. A contestant given little chance of winning; a long shot.

n. One who is not part of a community or organization.

n. A newcomer with little or no experience in an organization or community.

n. A competitor or contestant who has little chance of winning; a long shot; a dark horse

n. One not belonging to the concern, institution, party, etc., spoken of; one disconnected in interest or feeling.

n. A locksmith's pinchers for grasping the point of a key in the keyhole, to open a door from the outside when the key is inside.

n. A horse which is not a favorite in the betting.

n. One who is on the outside of an inclosure, barrier, boundary, etc., literally or figuratively; one who is without.

n. One who is unconnected or unacquainted with the matter in question.

n. In horse racing, a horse not included among the favorites, or not a favorite in the betting.

n. plural A pair of nippers with semi-tubular jaws which can be inserted in a keyhole from the outside to turn the key.

n. a contestant (human or animal) not considered to have a good chance to win

n. someone who is excluded from or is not a member of a group

"While hired with a mandate to restore a sense of trust in police after several scandals, he never shook the label "outsider" and his relationship with the union was tense."

contestant   

foreigner    Words for outsiders   

outlier    nonmember    extern    exoteric    outcast   

Rider    Ryder    Schneider    cider    collider    decider    divider    glider    guider    hider   

stranger    foreigner    on-looker    bystander    observer    intruder    outcast    listener    interloper    visitor