Synonyms: accessory, add-on, appurtenance, supplement
Definition: a supplementary component that improves capability
Similar words: component, element, constituent
Definition: an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
Usage: spare components for cars; a component or constituent element of a system
Synonyms: supplement, supplementation
Definition: a quantity added (e.g. to make up for a deficiency)
Similar words: increase, increment
Definition: the amount by which something increases
Usage: they proposed an increase of 15 percent in the fare
Synonyms: addendum, postscript, supplement
Definition: textual matter that is added onto a publication; usually at the end
Similar words: matter
Definition: written works (especially in books or magazines)
Usage: he always took some reading matter with him on the plane
Synonyms: supplement, append, affix, add on
Definition: add to the very end
Usage: He appended a glossary to his novel where he used an invented language
Similar words: attach
Definition: cause to be attached
Synonyms: supplement
Definition: add as a supplement to what seems insufficient
Usage: supplement your diet
Similar words: add
Definition: make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
Usage: We added two students to that dorm room; She added a personal note to her letter; Add insult to injury; Add some extra plates to the dinner table
Synonyms: supplement
Definition: serve as a supplement to
Usage: Vitamins supplemented his meager diet
Similar words: comprise, make up, be, represent, constitute
Definition: form or compose
Usage: This money is my only income; The stone wall was the backdrop for the performance; These constitute my entire belonging; The children made up the chorus; This sum represents my entire income for a year; These few men comprise his entire army