Antonyms of adj purposeless

2 senses of purposeless

Sense 1
purposeless (vs. purposeful) -- (not evidencing any purpose or goal)

purposeful (vs. purposeless) -- (serving as or indicating the existence of a purpose or goal)
        => businesslike, earnest -- (not distracted by anything unrelated to the goal)
        => goal-directed, purposive -- (having a purpose; "purposive behavior")
        => purpose-built, purpose-made -- (designed and constructed to serve a particular purpose)

Sense 2
otiose, pointless, purposeless, senseless, superfluous, wasted -- (serving no useful purpose; having no excuse for being; "otiose lines in a play"; "advice is wasted words"; "a pointless remark"; "a life essentially purposeless"; "senseless violence")

INDIRECT (VIA worthless) -> valuable -- (having great material or monetary value especially for use or exchange; "a valuable diamond")

Similarity of adj purposeless

2 senses of purposeless

Sense 1
purposeless (vs. purposeful) -- (not evidencing any purpose or goal)
       => adrift (predicate), afloat (predicate), aimless, directionless, planless, rudderless, undirected -- (aimlessly drifting)
       => desultory -- (marked by lack of definite plan or regularity or purpose; jumping from one thing to another; "desultory thoughts"; "the desultory conversation characteristic of cocktail parties")
          Also See-> meaningless#1, nonmeaningful#1

Sense 2
otiose, pointless, purposeless, senseless, superfluous, wasted -- (serving no useful purpose; having no excuse for being; "otiose lines in a play"; "advice is wasted words"; "a pointless remark"; "a life essentially purposeless"; "senseless violence")
       => worthless (vs. valuable) -- (lacking in usefulness or value; "a worthless idler")

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