% arara: pdflatex
% arara: makeglossaries if found("aux", "@istfilename")
% arara: bib2gls: {group: on} if found("aux", "glsxtr@resource")
% arara: pdflatex
% arara: pdflatex if found("log", "Rerun to")
\documentclass{article}

\usepackage{glossaries}

\makeglossaries
\loadglsentries{example-glossaries-parent}

\newglossarystyle{mystyle}%
{%
  \renewenvironment{theglossary}{\begin{itemize}}{\end{itemize}}%
  \renewcommand*{\glossaryheader}{}%
  \renewcommand*{\glsgroupheading}[1]{}%
  \renewcommand*{\glossaryentryfield}[5]{%
   \item \glstarget{##1}{##2} (##3) ##4\glspostdescription\space ##5%
  }%
  \renewcommand*{\glossarysubentryfield}[6]{%
   \item \quad\glstarget{##2}{##3} (##4) ##5\glspostdescription\space ##5%
  }%
  \renewcommand*{\glsgroupskip}{}%
}

\begin{document}
\glsaddall
\printglossary[style=mystyle]
\end{document}
