Word definition: besides

Defiintion of besides:

[adv] making an additional point; anyway; "I don't want to go to a restaurant; besides, we can't afford it"; "she couldn't shelter behind him all the time and in any case he wasn't always with her"
[adv] in addition; "he has a Mercedes, too"

Synonyms of besides:

also, as well, in any case, likewise, too

Antonyms of besides:

See Also:

Webster Dictionary (1913) for besides:

\Be*sides"\, Beside \Be*side"\, adv. [OE. Same as
beside, prep.; the ending -s is an adverbial one, prop. a
genitive sign.]
1. On one side. [Obs.] --Chaucer. Shak.

2. More than that; over and above; not included in the
   number, or in what has been mentioned; moreover; in

         The men said unto Lot, Hast thou here any besides ?
                                               --Gen. xix.

         To all beside, as much an empty shade, An Eugene
         living, as a C[ae]sar dead.           --Pope.

Note: These sentences may be considered as elliptical.

\Be*sides\, prep. Over and above; separate or distinct from; in addition to; other than; else than. See {Beside}, prep., 3, and Syn. under {Beside}. Besides your cheer, you shall have sport. --Shak.