extra
1. [ adjective ] further or added
Synonyms: other additional
Examples:

"called for additional troops" "need extra help" "an extra pair of shoes" "I have no other shoes" "there are other possibilities"

Related terms: added
2. [ adjective ] more than is needed, desired, or required
Synonyms: surplus excess redundant spare superfluous supernumerary supererogatory
Examples:

"trying to lose excess weight" "found some extra change" "another book on heraldry might be thought redundant" "sleeping in the spare room" "supernumerary ornamentation" "delete superfluous words"

Related terms: unnecessary
3. [ noun ] (writing) an additional edition of a newspaper (usually to report a crisis)
Related terms: edition
4. [ adjective ] (prefix) outside or beyond
Examples:

"`extra' is a prefix in `an extrauterine pregnancy'"

Related terms: outside
5. [ noun ] (performing arts) a minor actor in crowd scenes
Synonyms: spear_carrier supernumerary
Related terms: actor
6. [ adverb ] unusually or exceptionally
Examples:

"an extra fast car"

7. [ adjective ] added to a regular schedule
Synonyms: special
Examples:

"a special holiday flight" "put on special buses for the big game"

Related terms: unscheduled
8. [ noun ] something additional of the same kind
Synonyms: duplicate
Examples:

he always carried extras in case of an emergency"

Related terms: whatchamacallit artifact duplicate
Similar spelling:   extract
  extrados
  exoteric
  extrude
  extropy
  extreme
  extort