Synonyms for efficient

Similarity of adj efficient

2 senses of efficient

Sense 1:

efficient (vs. inefficient)
businesslikecost-efficient, cost-effectiveeconomic, economicalexpeditioushigh-octanestreamlined

Also See: competent#1; effective#1, effectual#1, efficacious#2

Sense 2:

effective, efficient
competent (vs. incompetent)