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ULTRAEFFICIENT Antonyms

There are 10 antonyms of the word ultraefficient. (opposite meanings)

Best Opposite Words For ULTRAEFFICIENT

WordSaveSyns..UsageType
careless
adjectiveadj
adjective

• marked by lack of attention or consideration or forethought or thoroughness; not careful

adjective satellite

• effortless and unstudied

• (usually followed by `of') without due thought or consideration

ineffective
adjectiveadj
adjective

• not producing an intended effect

adjective satellite

• lacking in power or forcefulness

• lacking the ability or skill to perform effectively; inadequate

inefficient
adjectiveadj
adjective

• not producing desired results; wasteful

adjective satellite

• lacking the ability or skill to perform effectively; inadequate

lethargic
adjectiveadj
adjective

• deficient in alertness or activity

negligent
adjectiveadj
adjective

• characterized by neglect and undue lack of concern

sloppy
adjectiveadj
adjective satellite

• lacking neatness or order

• wet or smeared with a spilled liquid or moist material

• (of soil) soft and watery

• not fitting closely; hanging loosely

• excessively or abnormally emotional

• marked by great carelessness

slow
adverb, adjectiveadv, adj
adjective

• not moving quickly; taking a comparatively long time

• at a slow tempo

• (used of timepieces) indicating a time earlier than the correct time

adverb

• without speed (`slow' is sometimes used informally for `slowly')

• showing a time that is earlier than the actual time

adjective satellite

• slow to learn or understand; lacking intellectual acuity

• so lacking in interest as to cause mental weariness

• (of business) not active or brisk

verb

• lose velocity; move more slowly

• become slow or slower

• cause to proceed more slowly

sluggish
adjectiveadj
adjective satellite

• slow or slothful

• (of business) not active or brisk

• slow and apathetic

unproductive
adjectiveadj
adjective

• not producing or capable of producing

adjective satellite

• not producing desired results

wasteful
adjectiveadj
adjective

• tending to squander and waste

adjective satellite

• inefficient in use of time and effort and materials

• laying waste

Alternatives for CARELESS

Words (11)

Alternatives for INEFFECTIVE

Words (21)

Alternatives for INEFFICIENT

Words (11)

Alternatives for LETHARGIC

Words (16)

Alternatives for NEGLIGENT

Words (11)

Alternatives for SLOPPY

Words (28)

Alternatives for SLOW

Words (45)
Phrases (2)

Alternatives for SLUGGISH

Words (10)