added on

Included as extra

Added on describes something attached or included as an extra, usually after the main thing was already complete or established.

A room added on to a house extends the original structure.

Fees added on at checkout increase the total beyond the listed price.

The phrase emphasizes that the addition came later rather than being part of the original design.

Related

customization · more · retrofit · attached · affixed · increased · plugin · bonus · bells and whistles · patch · ancillary · aftermarket · after the fact · annexed · accumulated · stacked · inserted · augmentation

Opposites
inclusion/attachment

added onremoved

Taken from position

taken away · subtracted · detached · taken off · cut off

essential vs supplementary

added onbuilt-in

Included as standard

integral · core · essential · fundamental · inherent

quantity change

added onsubtracted

Took away mathematically

deducted · taken away · reduced · diminished · decreased

Family

add, addition, added, adding, adds, additive, addendum, adduce, adder

Familiarity
Top 50,000
Profile
Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G