Synonym: boring, dreary, dull, humdrum, repetitious, tedious. Antonym: various. Similar words: up to now, autonomy, monolith, honor, donor, economy, economic, agronomy. Meaning: [mə'nɑtnəs /-'nɒ-] 
adj. 1. tediously repetitious or lacking in variety 2. sounded or spoken in a tone unvarying in pitch.
adj. 1. tediously repetitious or lacking in variety 2. sounded or spoken in a tone unvarying in pitch. 
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91, Apart from the occasional desolated feeling resulting from the monotonous solitariness, such a place is ideal for learning and preparation for the future.
92, It was like my own marsh country, flat and monotonous.
93, Chilling winds swept beneath the door - sills and rattled the loose window - panes with a monotonous tinkling sound.
94, He has a very monotonous voice; he should modulate it more.
95, The defects of the system include: lacking legislative system and specialized authorities, the monotonous operation way, imperfect supervising system and unconsummated related systems.
96, An artilleryman on sentinel duty in front of the cannons was just confronting the officer, but at a sign being made to him, he renewed his regular, monotonous pacing.
97, I shelve books in the library, sometimes it gets monotonous, but the pay is not bad.
More similar words: up to now, autonomy, monolith, honor, donor, economy, economic, agronomy, economics, economist, on occasion, astronomer, economically, heinous, indigenous, economic recovery, run out, enough, turn out, burn out, run out of, announce, motor, photo, go to bed, go together, a lot of, tone, protocol, go to sleep.