These are search engine results that do not cost anything to be displayed or clicked on.

Search results returned by search engines that are based purely on the content of the pages and page popularity. Organic search results are not categorized directory results, or pay-per-click advertis [..]

The word “organic” refers to search traffic that is not paid for with an advertising campaign, but rather searches that come up normally as a result of the search engine’s algorithm. See the Ecreative [..]

The unpaid, algorithm-driven listings of search engines. Increasing one’s rank in the organic search results is the end goal of SEO.

Most major search engines have results that consist of paid ads and unpaid listings. The unpaid / algorithmic listings are called the organic search results. Organic search results are organized by re [..]

Most major search engines have results that consist of paid ads and unpaid listings. The unpaid listings are called the organic search results and are organized by relevancy (which is largely determin [..]

The ‘natural’ search results that appear in a separate section (usually the main body of the page) to the paid listings. The results listed here have not been paid for and are ranked by the search engine (using spiders or algorithms) according to relevancy to the term searched upon.

Natural or non-paid search results (Source)

are listings that search engines return based on their relevance to entered search terms. Opposed to pay-per-click (PPC) results, organic listings are generated by sophisticated algorithms that consid [..]