1. Impossible to measure
   - unmeasurable, immensurable, unmeasured, immensurate 
2. Beyond calculation or measure
   "immeasurable wealth"
   - incomputable, inestimable

See also: abysmal, illimitable, immeasurably, incalculable, limitless, measureless

Antonym: measurable

• porte-cochère
• portend
• portent
• portentous
• portentously
• porter
• porter's beer
• porterage
• porterhouse
• porterhouse steak
• portfolio
• porthole
• Portia
• portia tree
• portico
• porticoed
• portion
• portion out
• portière
• Portland
• Portland cement
• portliness
• portly
• portmanteau
• portmanteau word