Used with adjective complement

• get: Upon further investigation, I realized that Alexa and Google were getting quite chummy.

• become: Perhaps this is why the two have become so chummy since Mourinho arrived last summer after the protracted departure of Claudio Ranieri.

Modifying Another Word

• very: These inter-relationships are, at the very least, very chummy.

• too: Lizzie warns Doreen not to get too chummy with Toni, as Bea will be out of solitary soon.

• so: I rather hope that now you're not so chummy with Tony, the truths can flow that bit more easily.

• quite: Sallis says, " Wallace & Gromit live and work together and they are quite chummy.

Modifies a noun

• term: No father likes to see his ewe lamb on chummy terms with such a one.

• relationship: Chávez now is under increasing criticism at home for his chummy relationships with terrorist nations.