hit and miss

hit and miss

adjective Sometimes good or successful, sometimes not; having mixed or unpredictable results; random, aimless, careless, or haphazard. (Hyphenated if used before a noun.) Films at the festival were hit and miss, but they were all unique. The company still relies on hit-and-miss techniques that seem antiquated by today's standards.
See also: and, hit, miss

hit or miss

adjective Sometimes good or successful, sometimes not; having mixed or unpredictable results; random, aimless, careless, or haphazard. (Hyphenated if used before a noun.) Films at the festival were hit or miss, but they were all unique. The company still relies on hit-or-miss techniques that seem antiquated by today's standards.
See also: hit, miss

hit and miss

 and hit or miss
carelessly; aimlessly; without plan or direction. There was no planning. It was just hit and miss. We handed out the free tickets hit or miss. Some people got one. Others got five or six.
See also: and, hit, miss

hit or miss

Haphazardly, at random. For example, She took dozens of photos, hit or miss, hoping that some would be good. [c. 1600]
See also: hit, miss

hit and miss

or

hit or miss

COMMON If you describe something as hit and miss or hit or miss, you mean that it is done without proper planning or skill, so that its quality varies. Comedy sketch shows can be a hit and miss affair. The acting, however, is hit and miss: it ranges from excellent to absolutely appalling. Treating sick birds can be a hit or miss operation.
See also: and, hit, miss