1. Wanting due proportion; disproportionate; unfit.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• ynproportionate,
• hnproportionate,
• jnproportionate,
• 8nproportionate,
• 7nproportionate,
• ubproportionate,
• ujproportionate,
• uhproportionate,
• unoroportionate,
• unlroportionate,
• un-roportionate,
• un0roportionate,
• unpeoportionate,
• unpdoportionate,
• unpfoportionate,
• unptoportionate,
• unp5oportionate,
• unp4oportionate,
• unpriportionate,
• unprkportionate

• uneven,
• lopsided,
• inadequate,
• unproportional,
• disproportional,
• Unequitably,
• imbalanced,
• disproportionate,
• unequal,
• incommensurate.

The adjective form of "unproportionate" is "disproportionate".

The plural form of "unproportionate" is "unproportionates".

The singular form of "Unproportionate" is "Unproportionate". The word does not change its form in the singular.