HELICAL Antonyms

There are 9 antonyms of the word helical. (opposite meanings)

Did you mean?
Definition of HELICAL

Also try opposite words for..
helicity helically


Expand?	Word	Save?	Synonyms..	Usage	Type
	direct				verb, adverb, adjectivev, adv, adj
	adjective • direct in spatial dimensions; proceeding without deviation or interruption; straight and short • straightforward in means or manner or behavior or language or action • in a straight unbroken line of descent from parent to child • moving from west to east on the celestial sphere; or--for planets--around the sun in the same direction as the Earth • similar in nature or effect or relation to another quantity • (of a current) flowing in one direction only adverb • without deviation adjective satellite • having no intervening persons, agents, conditions • being an immediate result or consequence • in precisely the same words used by a writer or speaker • lacking compromising or mitigating elements verb • command with authority • intend (something) to move towards a certain goal • guide the actors in (plays and films) • govern or manage • take somebody somewhere • cause to go somewhere • point or cause to go (blows, weapons, or objects such as photographic equipment) towards • lead, as in the performance of a composition • give directions to; point somebody into a certain direction • specifically design a product, event, or activity for a certain public • direct the course; determine the direction of travelling • put an address on (an envelope) • plan and direct (a complex undertaking)
	flat				adverb, noun, adjectiveadv, n, adj
	adjective • lacking contrast or shading between tones • (of a musical note) lowered in pitch by one chromatic semitone noun • a level tract of land • a shallow box in which seedlings are started • a musical notation indicating one half step lower than the note named • freight car without permanent sides or roof • a deflated pneumatic tire • scenery consisting of a wooden frame covered with painted canvas; part of a stage setting • a suite of rooms usually on one floor of an apartment house adverb • with flat sails • in a forthright manner; candidly or frankly adjective satellite • having a surface without slope, tilt in which no part is higher or lower than another • having a relatively broad surface in relation to depth or thickness • not modified or restricted by reservations • stretched out and lying at full length along the ground • flattened laterally along the whole length (e.g., certain leafstalks or flatfishes) • lacking taste or flavor or tang • lacking stimulating characteristics; uninteresting • having lost effervescence • sounded or spoken in a tone unvarying in pitch • horizontally level • lacking the expected range or depth; not designed to give an illusion or depth • not reflecting light; not glossy • commercially inactive
	level				nounn
	noun • a position on a scale of intensity or amount or quality • a relative position or degree of value in a graded group • a specific identifiable position in a continuum or series or especially in a process • height above ground • indicator that establishes the horizontal when a bubble is centered in a tube of liquid • a flat surface at right angles to a plumb line • an abstract place usually conceived as having depth • a structure consisting of a room or set of rooms at a single position along a vertical scale adjective satellite • having a surface without slope, tilt in which no part is higher or lower than another • not showing abrupt variations • being on a precise horizontal plane • oriented at right angles to the plumb • of the score in a contest verb • aim at • tear down so as to make flat with the ground • make level or straight • direct into a position for use • talk frankly with; lay it on the line • become level or even
	linear				adjectiveadj
	adjective • designating or involving an equation whose terms are of the first degree • of or in or along or relating to a line; involving or having a single dimension • of a circuit or device having an output that is proportional to the input adjective satellite • (of a leaf shape) long and narrow • measured lengthwise
	perpendicular				adjectiveadj
	adjective • intersecting at or forming right angles • at right angles to the plane of the horizon or a base line noun • a straight line at right angles to another line • a Gothic style in 14th and 15th century England; characterized by vertical lines and a four-centered (Tudor) arch and fan vaulting • a cord from which a metal weight is suspended pointing directly to the earth's center of gravity; used to determine the vertical from a given point • an extremely steep face adjective satellite • so steep as to be nearly vertical
	straight				noun, adjectiven, adj
	adjective • having no deviations • (of hair) having no waves or curls • characterized by honesty and fairness • no longer coiled • free from curves or angles noun • a person having a sexual orientation to persons of the opposite sex • a poker hand with 5 consecutive cards (regardless of suit) • a straight segment of a roadway or racecourse adverb • without deviation • in a forthright manner; candidly or frankly • in a straight line; in a direct course adjective satellite • successive (without a break) • erect in posture • in keeping with the facts • neatly arranged; not disorderly • not homosexual • accurately fitted; level • without evasion or compromise • (of an alcoholic drink) without water • following a correct or logical method • rigidly conventional or old-fashioned
	uncoiled				verbv
	adjective • no longer coiled
	uncurled				verbv
	adjective satellite • not curled • not having been curled
	untwisted				verb, adjectivev, adj
	adjective satellite • not twisted; formerly twisted but now straight