While "pull one's leg" generally indicates playful teasing or trickery, its antonyms refer to serious honesty or sincerity. Rather than pulling someone's leg, one might opt to speak truthfully, honestly, or straightforwardly. Other antonyms include being genuine, sincere, or frank. Additionally, the phrases "speaking in earnest" or "telling it like it is" convey a sense of honesty and openness, as opposed to the mischief of pulling someone's leg. In short, the antonyms of "pull one's leg" all suggest a lack of deception and a commitment to straightforward communication.
