| intransigent | (adj) refusing to compromise, irreconcilable |
| intransigent | (ant) lukewarm, half-hearted, yielding |
| intransigent | (syn) uncompromising, unyielding, obdurate |
| invidious | : (adj) offensive, hateful, tending to cause bitterness and resentment |
| invidious | (ant) complimentary, flattering, ameliorative |
| invidious | (syn) malicious, spiteful, prejudicial, perjorative |
| largesse | (n) generosity in giving, lavish or bountiful contributions |
| largesse | (ant) stinginess, miserliness, niggardliness |
| largesse | (syn) liberality, manificence, bounty |
| reconnaissance | (syn) scoutting, expedition |
| reconnaissance | (n) a survey made for military purposes; any kind of preliminary inspection or examination |
| substantiate | (v) to establish by evidence, prove, to give concrete or substantial form to |
| substantiate | (syn): verify, authenticate, confirm, validate |
| substantiate | (ant): refute, disprove, invalidate |
| taciturn | (ant): garrulous, loquacious, prolix, verbose |