| Main Entry: | |
| Part of Speech: | noun |
| Definition: | something conjoined, added |
| Synonyms: | addition, adjunct, appendage, appendix, attachment, augmentation, codicil, extension, extra, postscript, rider, supplement |
| Notes: | an addition is something that, when added, serves simply to augment or extend that to which it has been added, leaving the character of the original unchanged; an addendum forms a separate distinguishable portion of the whole and it first meant 'a thing to be added' |
| Main Entry: | adjunct |
| Part of Speech: | noun |
| Definition: | addition; help |
| Synonyms: | accessory, addendum, appendage, appendix, appurtenance, associate, auxiliary, complement, detail, partner, subordinate, supplement |
| Antonyms: | detriment, lessening, subtraction |
| Main Entry: | amendment |
| Part of Speech: | noun |
| Definition: | addition to a document |
| Synonyms: | act, addendum, adjunct, alteration, attachment, bill, clarification, clause, codicil, measure, modification, motion, revision, rider, suggestion, supplement |
| Main Entry: | annex |
| Part of Speech: | noun |
| Definition: | something added; extension |
| Synonyms: | addendum, addition, adjunct, affix, appendix, arm, attachment, ell, subsidiary, supplement, wing |
| Main Entry: | appendage |
| Part of Speech: | noun |
| Definition: | limb; accessory |
| Synonyms: | addendum, addition, adjunct, ancillary, annex, appendix, appurtenance, attachment, auxiliary, extremity, member, projection, protuberance, supplement |
| Antonyms: | body, trunk |
| Main Entry: | appendix |
| Part of Speech: | noun |
| Definition: | added material at end of document |
| Synonyms: | addendum, addition, adjunct, appendage, appurtenance, attachment, codicil, excursus, index, notes, postscript, rider, sample, supplement, table, verification |
| Main Entry: | codicil |
| Part of Speech: | noun |
| Definition: | added part to document |
| Synonyms: | addendum, addition, appendix, postscript, rider, supplement |
| Main Entry: | extension |
| Part of Speech: | noun |
| Definition: | enlargement, continuation |
| Synonyms: | addendum, addition, adjunct, amplification, annex, appendage, appendix, arm, augmentation, branch, broadening, compass, continuing, delay, development, dilatation, distension, drawing out, elongation, expansion, extent, increase, lengthening, orbit, postponement, production, prolongation, protraction, purview, radius, reach, scope, span, spread, spreading out, stretch, stretching, supplement, sweep, widening, wing |
| Antonyms: | abbreviation, abridgment, compression, contraction, curtailment, decrease, reduction, shortening |
| Main Entry: | extra |
| Part of Speech: | noun |
| Definition: | accessory |
| Synonyms: | addendum, addition, adjunct, affix, appendage, appurtenance, attachment, bonus, complement, extension, supernumerary, supplement |
| Antonyms: | basic, essential, fundamental, necessity |