Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

borderline

/ˈboɹ.dɚˌlaɪn/ adjective, adverb, noun, verb

Forms borderlines borderlining borderlined border-line

adjective Nearly; not clearly on one side or the other of a border or boundary, ambiguous. “I would rather hire a talented layman than a university graduate with borderline qualifications.”
adjective Of questionable taste or acceptability; approaching bad taste. “Your borderline remarks about my aunt’s dress destroyed my evening.”
adjective Exhibiting or characteristic of borderline personality disorder.
adverb Nearly; not entirely but nevertheless to a great extent. “He is borderline hypoglycemic and needs to monitor his sugar intake.”
noun (countable) A boundary or accepted division; a border. “She lives on the borderline between reality and madness.”
noun (countable) A person who has borderline personality disorder.
verb (transitive) To border, or border on; to be physically close or conceptually akin to.

Synonyms

From border + line.

Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “borderline”, CC BY-SA 4.0. Details