1. Very imposing or impressive; surpassing the ordinary (especially in size or scale)
   - epic, heroic

See also: big, large

• iliolumbar vein
• Ilion
• ilium
• ilk
• ill
• ill at ease
• ill fame
• ill health
• ill humor
• ill humour
• ill luck
• ill nature
• ill service
• ill temper
• ill turn
• ill will
• ill-advised
• ill-advisedly
• ill-affected
• ill-assorted
• ill-being
• ill-bred
• ill-breeding
• ill-chosen
• ill-conceived