NONTIDAL Antonyms There are 10 antonyms of the word nontidal. (opposite meanings)Did you mean?Definition of NONTIDALBest Opposite Words For NONTIDALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1coastaladverb, adjectiveadv, adj2littoraladjectiveadj3marinenoun, adjectiven, adj4oceanicadjectiveadj5pelagicadjectiveadj6sea-levelnounn7subaqueousadjectiveadj8tidaladjectiveadj9wateryadjectiveadj10high tidenounn Alternatives for COASTAL Words (5)littoralseasideshorelinewaterfrontcoastwiseOpposite words for coastal Alternatives for LITTORAL Words (8)foreshorebeachcoastlineseashoreshoreintertidallitoralsandsPhrases (1)littoral zoneOpposite words for littoral Alternatives for MARINE Words (7)maritimenauticalnavaloceanicseafaringleatherneckjarheadPhrases (2)devil dogshipboard soldierOpposite words for marine Alternatives for OCEANIC Words (6)pelagicaquaticmarinemaritimeseaseagoingPhrases (1)eastern malayo-polynesianOpposite words for oceanic Alternatives for PELAGIC Words (8)oceanicaquaticdeep-seamarineoffshoresaltwaterseagoingpelagianOpposite words for pelagic Alternatives for SEA-LEVEL Words (1)low-lyingOpposite words for sea-level Alternatives for SUBAQUEOUS Words (6)underwateraquaticmarinesubaquaticsubmergedsubmersedOpposite words for subaqueous