Antonyms of adj commercial-grade

1 sense of commercial-grade

Sense 1
commercial, commercial-grade -- (of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid")

INDIRECT (VIA inferior) -> superior -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Similarity of adj commercial-grade

1 sense of commercial-grade

Sense 1
commercial, commercial-grade -- (of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid")
       => inferior (vs. superior) -- (of low or inferior quality)

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