13-Letter Words Ending: LES

• using language loaded with psychological terminology

• an organism such as an insect that habitually shares the nest of a species of ant

• technical jargon from computing and other high-tech subjects

• an inexpensive fipple flute

• a premature systole resulting in a momentary cardiac arrhythmia

• a word of more than three syllables

• A circle that passes through every vertex of a given triangle (or other polygon where possible)