present participle of sit up with

present participle of sit shiva

present participle of sit back

present participle of sit tight

plural of sit-com

Alternative spelling of sitcom

An exercise to strengthen the quadriceps muscles, involving forming two right angles with the body, one at the hips and one at the knees, with one's back against a wall.

(religion) To be in the habit of hearing the preaching of.

(baseball) For a batter to look for a four-seam fastball.

(transitive, chiefly in the negative) To tolerate, accept, or acquiesce; to take no action.