What is Nonrandom?

Nonrandom definition and meaning on Dictionary terms:
proceeding, made, or occurring without definite aim, reason, or pattern: the random selection of numbers.
Statistics. of or characterizing a process of selection in which each item of a set has an equal probability of being chosen.
Building Trades. (of building materials) lacking uniformity of dimensions: random shingles. (of ashlar) laid without continuous courses. constructed or applied without regularity: random bond.

Slang. unknown, unidentified, or suspiciously out of place: A couple of random guys showed up at the party. odd or unpredictable, often in an amusing way: my totally random life.

something that is random, or a random state or condition: different statistical methods used to estimate randoms.
Slang. a person or thing that is unknown, unidentified, or suspiciously out of place. a person or thing that is odd or unpredictable.

Chiefly British. bank3(def 7b).

Building Trades. without uniformity: random-sized slates.