SynonymDefinitionAntonym.com - English Synonym Dictionary

Hasty and without attention to detail; not thorough

Not showing effort or strain

Occurring on a temporary or irregular basis

Marked by blithe unconcern

Appropriate for ordinary or routine occasions

Occurring or appearing or singled out by chance

Natural and unstudied

Characterized by a feeling of irresponsibility

Without or seeming to be without plan or method; offhand