| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | challenging, urgent |
| Synonyms: | ambitious, backbreaker, bothersome, clamorous, critical, dictatorial, difficult, exacting, exhausting, exigent, fussy, grievous, hard, imperious, importunate, insistent, nagging, onerous, oppressive, pressing, querulous, strict, stringent, taxing, tough, troublesome, trying, wearing, weighty |
| Antonyms: | easy, facile, trivial, unchallenging, undemanding |