gain weight

gain weight (third-person singular simple present gains weight, present participle gaining weight, simple past and past participle gained weight)

1. (intransitive) To become more heavy or obese.

   Synonyms: put on weight, (UK slang) put some timber on

   Antonym: lose weight

2. To be taken more seriously. (of an idea, view etc.)
   • 1939 July, John D. Hewitt, “Some Notable British Main Lines: 1. Settle and Carlisle, L.M.S.R.”, in Railway Magazine, page 35:

     This view gaining weight, steps were taken to reopen negotiations with the L.N.W.R.

• weight gain

• weight gain