seaside seasickness • seasider · · · Info · Definitions · Synonyms · Characters · · seaside · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the shore of a sea or ocean regarded as a resort. Synonyms: seaboard. · · Noun Definition 1 Synonyms · · · seaboard · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 s latin small letter s U+0073