unattainable
The word unattainable is an adjective that means not able to achieve or not able to be reached. An unattainable promise is a promise that has no chance of being kept.
If skin is on them-emaciated.
The term for being able to have lots of babies or reproduce quickly is "high reproductive rate" or "high fecundity."
The term for not being able to remember a word is "tip-of-the-tongue phenomenon."
This is the medical term that means not being able to speak.
They can be reached more easily
Something you do sub-consiously?
One of the long term consequences of being convicted of communism was not being able to get work. Lots of people were out of the job because of this
The term "soluble" in relation to substances being aqueous means that the substance is able to dissolve in water.
a female human being . the one able to make children
The term that means not able to be dissolved in a particular substance is insoluble. This results from differing intermolecular forces between solute and solvent.
The term for being financially able to pay is "solvent." A solvent individual or entity has sufficient assets or income to meet their financial obligations. This contrasts with being insolvent, where one cannot meet their debts as they come due.