[adjective] existing or coming by way of addition; "an additional problem"; "further information"; "there will be further delays"; "took more time" Synonyms:further, more
[adjective] added to complete or make up a deficiency; "produced supplementary volumes"; "additional reading" Synonyms:supplementary, supplemental
[adjective] further or added; "called for additional troops"; "need extra help"; "an extra pair of shoes"; "I have no other shoes"; "there are other possibilities" Synonyms:extra, other
[adjective] more; "would you like anything else?"; "I have nothing else to say" Synonyms:else
[adjective] one more or an added; "another chance"; "another cup of coffee"; "an additional piece of pie" Synonyms:another