Synonyms for Whatsis:

• adj.

  •anonymous (adjective)
  • X,
  • unnamed,
  • Bearding,
  • pseudo,
  • secret,
  • incognito,
  • pseudonymous,
  • undisclosed,
  • nameless.

• n.

  •apparatus (noun)
  • device,
  • paraphernalia,
  • habiliments,
  • black box,
  • gimcrack,
  • mechanism,
  • gizmo,
  • appliance,
  • means,
  • gear,
  • implement,
  • tackle,
  • machine,
  • outfit,
  • job,
  • jigger,
  • widget,
  • tools,
  • furnishings,
  • supplies,
  • thingamajig,
  • idiot box,
  • utensils,
  • doohickey,
  • gimmick,
  • doodad,
  • setup,
  • contraption,
  • machinery,
  • dingbat.
  •contrivance (noun)
  • coinage,
  • engine,
  • tool,
  • brainchild,
  • creation,
  • convenience,
  • utensil,
  • invention,
  • harness,
  • equipment,
  • material,
  • discovery.
  •sundries (noun)
  • sundries.
  •sundry (noun)
  • sundry.

• Other synonyms:

  •adj.
  • unattested,
  • unavowed,
  • unidentified,
  • unspecified,
  • anonymous,
  • unacknowledged,
  • unclaimed,
  • unsigned,
  • whatchamacallit,
  • Innominate,
  • uncredited,
  • Undesignated,
  • so and so,
  • such and such,
  • you know who.
  •n.
  • accoutrement,
  • apparatus,
  • contrivance,
  • gaff,
  • grabber,
  • instrument,
  • provisions,
  • stuff,
  • thingamabob,
  • Accoutrements,
  • jobs,
  • WHOSIS,
  • grabbers,
  • thingamabobs,
  • gaffs.

Antonyms for Whatsis:

• adj.

  • anonymous
    identified, named, known.

• n.

  • contrivance
    disorganization.