[6][7] However, the name received mixed reactions in South Korea and internationally since "아이들" (aideul) means "children", and "idle" in English refers to someone who avoids work.

[18] Miyeon previously trained under YG Entertainment between 2010 and 2015, leaving the company after unknown complications regarding her debut with Blackpink and attending a vocal academy.

[37] In June, a survey carried out between thirty-five participants in the South Korean music industry named (G)I-dle to the "Next Generation of K-pop" category with 39 points overall.

[48] In November 2018, Riot Games released the song "Pop/Stars" by a virtual girl group called K/DA, featuring vocals from Soyeon as Akali and Miyeon as Ahri alongside American singers Madison Beer and Jaira Burns.

[59] In July, (G)I-dle held their first performance in the United States during the annual KCON convention and music festival at Javits Center, New York City.

[70] In September, it was reported that Cube Entertainment would partner with e2PR and Strategic Communications to establish a new promotion team to handle (G)I-dle's international public relations.

[90] Later, it was announced their opening show in Bangkok and new album in mid-March were postponed due to the coronavirus outbreak to ensure the health and safety of the artists, fans, and staff.

[91][92] On January 31, the group appeared on Two Yoo Project Sugar Man 3 to perform Minnie's composed and rearranged version of "Show", originally Kim Won-jun.

[129][130] On August 27, (G)I-dle resprised their roles as Akali and Ahri in K/DA for the song "The Baddest", featuring American singers Bea Miller and Wolftyla.

[131] It was also announced that they were to be featured on the title track "More" with the original lineup Beer and Burns, along with Chinese singer Lexie Liu, released on October 28.

[153] The album consists of two lead singles, "Giant" and "Bonnie and Clyde", with the concept of "A page of Yuqi's autobiography story and endless possibilities".

[158] On January 17, (G)I-dle performed as a five-member group for the first time as part of the Expo 2020 in Dubai on South Korea's country day.

[159] On February 24, it was announced that (G)I-dle would return with their first studio album, I Never Die, and its lead single, "Tomboy" on March 14, their first release as a five-member group.

[195] Pico produces the show in collaboration with Vive Studios, a leading AI-based metaverse content art tech company in Korea, making this the first interactive VR K-pop concert.

[199] On April 18, it was announced that (G)I-dle would release their sixth Korean EP, I Feel on May 15,[200] followed by an accompanying world tour, I am Free-ty, which started in Seoul on June 17.

[231][232] The youngest group to appear on Queendom, the members were actively involved in conceptualizing their own music videos, jacket photoshoots, song arrangements, choreography, and outfits.

[233] Instead of appealing to the opposite sex with their femininity, (G)I-dle instead cultivated a fanbase, collectively referred to as "Neverland", backed by a high number of women and girls;[234] around 70% of listeners of "Oh My God" on Melon were female.

[239] Idology describes the members of (G)I-dle as "good actors, which is something that idols need to be in order to express a variety of stories and emotions" with "a strong determination to show something different and benefited from being able to produce themselves".

Choi praised the song as a "rare case of calling a female wild beast" and stating that he enjoyed "Soyeon's leading creativity" and how they were "integrating the message and the stage".

[251] Taylor Glasby of MTV noted that (G)I-dle songs are "steeped in their very essence—a girl's complex, internal house of mirrors constantly being broken, assessed, understood, and remade, where one style or sound is never enough to reflect who they are."

"[247] Korea JoongAng Daily journalist Yoo Seong-woon complimented the group for blending elements from different sources into a unique mix of concepts and creating something new and fresh for the K-pop idol scene.

He describes that "Hwaa['s] chronological advancement from winter to bloom and fire effortlessly symbolizes the journey of a heartbroken person who gradually opened up to the idea of love again."

[260][265] The performance of their finale song "Lion" was considered one of K-pop's biggest moments of 2019 by CTV News[266] and resulted in them topping the "Girl Group Brand Power Ranking" for two consecutive months in October and November 2019.

[274] According to Hyundai Motors Investment Firm, during the coronavirus pandemic, Cube Entertainment target shares increased by 36.67% due to (G)I-dle's growth with "Oh My God".

[281] (G)I-dle has been named an influence by female artists such as Dal Shabet's Park Subin,[282] former Wonder Girls' Yubin,[283] STAYC's Yoon,[284] and Pixy's Lola.

A representative from LensMe explained that the group's unique music and charismatic stage performances matched well with their "Basic, Trendy, Easy" company image.

[291][292] When choosing (G)I-dle as their models, the high fashion brand LipHop—emerging among young people predominantly in South Korea, United States, Thailand, and Japan—stated that they considered the group to be "global artists who boast confident music and attractive visuals".

[293] In July 2023, (G)I-dle became the main model of Samyang Foods' global advertising campaign for their buldak-flavored instant noodles, "Play Buldak".

[294] In October 2023, (G)-I-dle collaborated with Australian deodorant brand Rexona as the new faces of its Glow For It campaign, introducing its Vitamin+Bright product range in Southeast Asia.

Donations collected through the campaign were used to support psychological and mental health counseling treatment, snacks and nutritional kits for medical staff through Sports Doctors during the pandemic.