Antonyms of adj wavy

2 senses of wavy

Sense 1
wavy -- ((of hair) having waves; "she had long wavy hair")

INDIRECT (VIA curly) -> straight -- ((of hair) having no waves or curls; "her naturally straight hair hung long and silky")

Sense 2
crinkled, crinkly, rippled, wavy, wavelike -- (uneven by virtue of having wrinkles or waves)

INDIRECT (VIA uneven) -> even -- (being level or straight or regular and without variation as e.g. in shape or texture; or being in the same plane or at the same height as something else (i.e. even with); "an even application of varnish"; "an even floor"; "the road was not very even"; "the picture is even with the window")

Similarity of adj wavy

2 senses of wavy

Sense 1
wavy -- ((of hair) having waves; "she had long wavy hair")
       => curly (vs. straight) -- ((of hair) having curls or waves; "they envied her naturally curly hair")

Sense 2
crinkled, crinkly, rippled, wavy, wavelike -- (uneven by virtue of having wrinkles or waves)
       => uneven (vs. even) -- (not even or uniform as e.g. in shape or texture; "an uneven color"; "uneven ground"; "uneven margins"; "wood with an uneven grain")