second-rate
[adjective]
Synonyms: inferior, low-grade, low-quality, mediocre, poor, rubbishy, shoddy, substandard, tacky (informal), tawdry, two-bit (U.S. & Canad. slang)

---

Antonyms: first-rate

[TahlilGaran] English Synonym Dictionary ▲

ˌsecond-ˈrate adjective [usually before noun]
not of the very best standard or quality ⇒ first-rate:
a second-rate artist

[TahlilGaran] Dictionary of Contemporary English ▲

second-rate
to be not of the best quality
The performance of the school choir was second-rate and they need more practice to improve.

[TahlilGaran] English Idioms Dictionary ▲

second rate
adj. Of mediocre or inferior quality.
The movie received a bad review; it was second-rate at best.

[TahlilGaran] English Idioms Dictionary ▲