Haphazard

[Sarah]

Extra hazard; chance; accident; random.We take our principles at haphazard, upon trust. Locke.

[Sarah]

Planing something out as you go, Thinking about the end result and not the plan ahead of time

[Sarah]

meaning random [chance] or a [variety]hap·haz·ard (hap′haz′ərd)
-noun-
mere chance; accident; fortuity
-adjective-
not planned; random
-adverb-
by chance; casually
[aimless], [accidental], [casual], [offhand], [careless], [slipshod], [incidental], [unexpected], [unthinking], [unconscious], [uncoordinated], [slovenly], [reckless], [unconcerned], [unpremeditated], [loose], [indiscriminate], [unsystematic], [unrestricted], [unselected], [irregular], [motley], [multifarious], [blind], [purposeless], [unplanned], [chaotic],
Antonyms; [careful], [studied], [planned].

[Sarah]

To do something without order or planning, or to seem random. Easily remembered because it sounds and is basically the same as half-assed.

[Sarah]

ADVERB, ADJECTIVE (1) At [random] (2) [Careless], [slipshod]
NOUN (3) [chance]