First class and Heavy

First class

First class noun - Mail that includes letters and postcards and packages sealed against inspection.

Heavy and first class are semantically related. in prime topic. In some cases you can use "Heavy" instead an adjective phrase "First class", when it comes to topics like best, excellent, eminent.

Heavy

Heavy adjective - Having great weight.

First class and heavy are semantically related. Sometimes you can replace phrase "First class" with "Heavy", this terms are similar.

Mutual synonyms

Both terms in one sentence

  • Adaptational Attractiveness In the comics, Sebastian Shaw is a thuggish-looking, middle-aged businessman◊ with a heavy build best described as "gorilla-like." In X-Men: First Class, he's played by a suave Kevin Bacon.
  • Literature / Feliks, Net & Nika In Net's suitcase, Manfred.Felix, Net & Nika is a series of Young Adult books by Polish writer Rafał Kosik, mixing fantasy and science fiction with heavy doses of Polish school.It's the beginning of the new schoolyear and, for Felix Polon, the beginning of new school - first class of Gymnasium.
Cite this Source
Heavy and First class. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/first_class/heavy
First class & Heavy. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/first_class/heavy>.
Heavy or First class. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/first_class/heavy.
Google Ngram Viewer shows how "first class" and "heavy" have occurred on timeline