if, jia̍k; zû-jia̍k; tháng-jia̍k; kiá-sái; kiá-lẽng; kóu-sek; phah-tsò; kiá-zû; zû-ho̍k; khó-pí; phì-zû; pí-huang. if you are going, lṳ́ jia̍k-sĩ àiⁿ-khṳ̀. but if you won't go, nãⁿ-sĩ lṳ́ m̃-khṳ̀. if not, zû-m̄-sĩ; iā-sĩ-bô. as if (comparison), phì-zû; pí-zû; hāi--kùe; tǹg--kùe; chhin-chhiẽⁿ; khó-pí. even if, tsòng; tsòng-jiên; tsòng-sái.
ignis fatuus, kúi-húe.
ignite, to̍h-húe; huat-húe.
ignoble, hiã-tsūaⁿ; hiã-tsoh; hiã-pín.
ignorant, bô-tsai; bô-kièn-sek; m̄-hiáu; m̄-pat.
ill, ũ-pēⁿ; m̄-sóng-khùai; bô-hièⁿ-hó; m̄-phêng-an; bô-khang-kiẽn; nâng m̄-hó. ill-natured, sèⁿ-chhêng m̄-hó; phî-khì m̄-hó; ũ-phiah-pēⁿ. ill-favoured, mīn-mãuⁿ tshou; iá-iēⁿ; thóiⁿ m̄-ji̍p-ma̍k; tshou-lõu. ill-shaped, iá-iēⁿ; m̄-chiâⁿ-iēⁿ. ill-treat, m̄-kãu-thãi-nâng; khek-po̍h. ill-treated, siũ-khui; siũ-khì.
illegal, hũam-huap; m̄-ha̍h-huap; m̄-ha̍h-lī; lu̍t-huap m̄-tsún--kâi.
illegible, jī m̄-hīn; thóiⁿ-m̄-tshut; thóiⁿ-m̄-hīn.
illegitimate, child, thau-seⁿ kâi-kiáⁿ.
illiberal, tōu-liãng o̍ih-sòi (or, soih); kien-liẽn (niggardly); khieh-si̍p (greedy).
illicit, intercourse, sai-thong; kóu-ha̍h; thong-kan.
illimitable, bô-hãn-liãng; bõi-tit-liáu.
illiterate, m̄-pat-jī; bô-tha̍k-tsṳ; bô-ha̍k-mn̄g; m̄-chêng ta̍h-ji̍p Khóng-tsṳ́-mn̂g; tóu-lãi bô-pùaⁿ-tiám ba̍k-tsúi; tin-tò-thâu chèng bô-pùaⁿ-tiám ba̍k-tsúi. ill-fated, khóu-miāⁿ; miāⁿ kuai; po̍h-miāⁿ; miāⁿ khiap; miāⁿ phí.
illness, pēⁿ; pēⁿ-chèng. symptoms of, pēⁿ-chhêng; pēⁿ-tsuãng.
illuminate, tiàu-teng; iâⁿ-teng; tãi-nãuⁿ húe-teng.
illumine, chiè; chiè-kng; chiè-mêng.
illusion, ka-kī phièn-ka-kī; tsṳ̃-mûaⁿ; tsṳ̃-khi.
illustrate, kói-mêng; tù-mêng; huat-mêng.
illustrious, hién-miâⁿ; tshut-miâⁿ; tù-miâⁿ; hién-iông.
image, sièⁿ. to cast, tsù-sièⁿ. to draw, ūe-sièⁿ. to carve, khek-sièⁿ.