1. (noun) toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis

• amethopterin
• methotrexate

1. (noun) toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis

• antimetabolite
• immune suppressant drug
• immunosuppressant
• immunosuppressive
• immunosuppressive drug
• immunosuppressor