1. in a matter-of-fact way without showing emotion
2. in a subtly humorous or ironic way
3. in a way that lacks moisture or liquid

Examples

• She dryly remarked that the meeting could have been an email.
• He dryly observed that it was raining on their beach vacation.
• The professor dryly announced the test results without any commentary.
• She dryly noted the irony of the fire station burning down.
• The comedian dryly delivered his punchlines with perfect timing.
• The paint brushed on dryly due to the hot weather.
• He dryly stated the facts without any emotional inflection.