All 10 Uses of

mock
in
Main Street, by Sinclair Lewis

She knew that she read mockery into greetings but she could not control her suspicion, could not rise from her psychic collapse.†
Chpt 9 *

mockery = something that is ridiculous

Juanita Haydock mocked, "You're a chump to let a good hired girl like Bea go.†
Chpt 19

mocked = made fun of

If these heresies are supported by the townsmen it is only by occasional teachers doctors, lawyers, the labor unions, and workmen like Miles Bjornstam, who are punished by being mocked as "cranks," as "half-baked parlor socialists."†
Chpt 22

With that skip-jack Dave Dyer, the druggist, she conducted a long mock-quarrel.†
Chpt 5

Now it was she who grunted "Huh!" and ignored him, and felt independent and masterful as she shot up out of bed, turned her back on him, fished a lone and petrified chocolate out of her glove-box in the top right-hand drawer of the bureau, gnawed at it, found that it had cocoanut filling, said "Damn!" wished that she had not said it, so that she might be superior to his colloquialism, and hurled the chocolate into the wastebasket, where it made an evil and mocking clatter among the debris of torn linen collars and toothpaste box.†
Chpt 14

She betrayed for a moment the childish, mock-imploring tone that comes into the voice of the most serious woman when an agreeable man treats her as a girl; the childish tone and childish pursed-up lips and shy lift of the cheek.†
Chpt 30

He laughed with Myrtle, jogged her elbow when she was filling cups, made deep mock bows to the waitresses as they came up for coffee.†
Chpt 30 *

Definitions:

(1) (mock as in: don't mock me)
make fun of (ridicule--sometimes by imitating in an exaggerated manner)

or (more rarely): just to make fun or to be ridiculous without targeting anyone as a victim

These senses of mockery come together when a comedian pokes fun at a politician by pretending to be the politician and saying ridiculous things.
(2) (mock as in: a mock trial)
not real
(3) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, mock can refer to a way of preparing food. Mockers can be an abbreviation for mockingbirds.