1. Not grammatical; not conforming to the rules of grammar or accepted usage
   - ungrammatical

See also: incorrect

• gridiron
• gridiron-tailed lizard
• gridlock
• grief
• grief-stricken
• Grieg
• grievance
• grieve
• griever
• grieving
• grievous
• grievous bodily harm
• grievously
• griffin
• Griffith
• griffon
• griffon vulture
• Grifola frondosa
• grift
• grifter
• grig
• Grigori Aleksandrovich Potemkin
• Grigori Efimovich Rasputin
• Grigori Potemkin
• Grigori Potyokin