Jerk, snap, twitch, yank mean to make a sudden sharp quick movement.
Itinerant vs Peripatetic vs Ambulatory vs Ambulant vs Nomadic vs Vagrant
Itinerant, peripatetic, ambulatory, ambulant, nomadic, vagrant mean having no fixed or settled station but moving from place to place.
Item vs Detail vs Particular
Item, detail, particular are comparable when meaning one of the things, either separate and distinct or considered so, which constitute a whole.
Isolate vs Segregate vs Seclude vs Insulate vs Sequester
Isolate, segregate, seclude, insulate, sequester are comparable when they mean to separate from the usual or natural environment, but they are rarely interchangeable because their other and differentiating implications are often stressed.
Irritate vs Exasperate vs Nettle vs Provoke vs Aggravate vs Rile vs Peeve
Irritate, exasperate, nettle, provoke, aggravate, rile, peeve are comparable when meaning to excite a feeling of angry annoyance in a person.
Irritable vs Fractious vs Peevish vs Snappish vs Waspish vs Petulant vs Pettish vs Huffy vs Fretful vs Querulous
Irritable, fractious, peevish, snappish, waspish, petulant, pettish, huffy, fretful, querulous apply to persons or to their moods or dispositions in the sense of showing impatience or anger without due or sufficient cause.
Irreligious vs Unreligious vs Nonreligious vs Ungodly vs Godless
Irreligious, unreligious, nonreligious, ungodly, godless mean not religious or not devoted to the ends of religion.
Irregular vs Anomalous vs Unnatural
Irregular, anomalous, unnatural mean outside the sphere of what conforms to or is explainable by law, rule, custom, or principle.
Irrational vs Unreasonable
Irrational, unreasonable are comparable when meaning not governed or guided by reason.
Irksome vs Tiresome vs Wearisome vs Tedious vs Boring
Irksome, tiresome, wearisome, tedious, boring mean burdensome because tiring or boring or both.
Irascible vs Choleric vs Splenetic vs Testy vs Touchy vs Cranky vs Cross
Irascible, choleric, splenetic, testy, touchy, cranky, cross mean easily angered or enraged.
Involve vs Implicate
Involve, implicate mean to bring a person or thing into circumstances or a situation from which he or it is not easily freed.