1. In an optional manner
   "this rule is applied optionally"

See also: optional

Antonym: obligatorily

• Giacomo della Chiesa
• Giacomo Meyerbeer
• Giacomo Puccini
• Giambattista Lulli
• Giambattista Marini
• Giambattista Marino
• Gian Carlo Menotti
• Gianbattista Bodoni
• Giannangelo Braschi
• Gianni Versace
• giant
• giant anteater
• giant armadillo
• giant bamboo
• giant buttercup
• giant cane
• giant chinkapin
• giant clam
• giant cockroach
• giant conch
• giant coreopsis
• giant crab
• giant eland
• giant fern
• giant fir