Synonyms and Antonyms of informal (ĭn-fôrməl)

relaxed unofficial unstudied open ordinary habitual natural mixed casual unconventional without ceremony intimate unceremonious frank straightforward free extempore spontaneous congenial easygoing easy unconstrained unrestrained simple unpretentious homey everyday motley democratic shirt-sleeve sporty laid-back chatty confabulatory conversational en-famille irregular loose unorthodox cozy

restrained ceremonial ritualistic formal dressy exclusive dressed-up rigid stiff official ceremonious buttoned-up

colloquial friendly common plain tighten words ad hoc face-to-face one-to-one semi-formal participative open-forum

formalin ₁₃ informal ₁₃

aliform ₁₂

firman ₁₁ formal ₁₁ inform ₁₁ florin ₉ foliar ₉ marlin ₈ normal ₈ oilman ₈

foram ₁₀ filar ₈ final ₈ flair ₈ flora ₈ folia ₈ frail ₈ infra ₈ amino ₇ amnio ₇ inarm ₇ liman ₇ manor ₇ minor ₇ moira ₇ molar ₇ moral ₇ ramin ₇ roman ₇ aloin ₅ loran ₅ noria ₅

farm ₉ film ₉ firm ₉ flam ₉ foam ₉ form ₉ from ₉ afro ₇ alif ₇ fail ₇ fain ₇ fair ₇ fano ₇ farl ₇ faro ₇ fiar ₇ fila ₇ filo ₇ fino ₇ firn ₇ flan ₇ flir ₇ foal ₇ foil ₇ foin ₇ fora ₇ info ₇ loaf ₇ naif ₇ rolf ₇ amin ₆ amir ₆ lima ₆ limn ₆ limo ₆ loam ₆ mail ₆ main ₆ mair ₆ mano ₆ marl ₆ milo ₆ mina ₆ moan ₆ moil ₆ mola ₆ mora ₆ morn ₆ noma ₆ norm ₆

arf ₆ fan ₆ far ₆ fil ₆ fin ₆ fir ₆ fon ₆ for ₆ fro ₆ oaf ₆ rif ₆ aim ₅ ami ₅ arm ₅ lam ₅ man ₅ mar ₅ mil ₅ mir ₅ moa ₅ moi ₅ mol ₅ mon ₅ mor ₅ nam ₅ nim ₅ nom ₅ oma ₅ ram ₅ rim ₅ rom ₅ ail ₃ ain ₃ air ₃ ani ₃ ion ₃ lar ₃ lin ₃ lor ₃ nil ₃ nor ₃ oar ₃ oil ₃ ora ₃ rai ₃ ran ₃ ria ₃ rin ₃

fa ₅ if ₅ of ₅ am ₄ ma ₄ mi ₄ mo ₄ om ₄ ai ₂ al ₂ an ₂ ar ₂ in ₂ la ₂ li ₂ lo ₂ na ₂ no ₂ oi ₂ on ₂ or ₂